2009

• Veller, M.G.P. van; Fransen, H.; Duizendstraal, M.B.; Gerritsma, W. (2009)
  Effect van "Ruimte voor Geo-informatie" op GIScience in Nederland : eindrapport RGI-402
  Wageningen : Bibliotheek Wageningen UR,
• Veller, M.G.P. van; Gerritsma, W.; Togt, P.L. van der; Leon, C.D.; Zeist, C.M. van (2009)
  Bibliometric analysis on repository contents for the evaluation of research at Wageningen UR
  In: Proceedings of the Qualitative and Quantitative methods in Libraries International Conference, 26-29 May 2009, Chania, Crete, Greece. - Mediterranean Agronomic Institute of Chania (MAICh), Qualitative and Quantitative methods in Libraries International Conference, 2009-05-26/ 2009-05-29

2006

• Gerritsma, W. (2006)
  Zoekmachines de volgende slag om de rangorde
  Informatie Professional 10 (6). - p. 26 - 28.
• Gerritsma, W. (2006)
  Wetenschappers gewogen : een systeem voor citatieanalyses in de praktijk
  Informatie Professional 10 (10). - p. 12 - 17.
• Gerritsma, W. (2006)
  Research evaluation in the Netherlands : a library perspective
  In: Keris symposium 2006. - Seoul : Keris, Keris symposium 2006

2005

• Zuidema, P.A.; Leffelaar, P.A.; Gerritsma, W.; Mommer, L.; Anten, N.P.R. (2005)
  A physiological production model for cocoa (Theobroma cacao): model presentation validation and application
  Agricultural Systems 84 (2). - p. 195 - 225.

2004

• Gerritsma, W.; Kersten, A.M.P. (2004)
  Bibliometric analysis of Wageningen Institute of Animal Sciences (WIAS)
  In: Documentation over 1999-2003 for peer review of the graduate school WIAS. - Wageningen : Wageningen University,
• Loman, M.E.; Gerritsma, W. (2004)
  My Library: Informatie op maat in Bibliotheek Wageningen UR
  Amsterdam : 10e Online Conferentie Nederland, 2004-04-06/ 2004-04-07
• Zuidema, P.A.; Leffelaar, P.A.; Gerritsma, W.; Mommer, L.; Anten, N.P.R. (2004)
  The first physiological production model for cocoa (Theobroma cacao): model presentation, validation and application (preprint)
  [S.l.] : [s.n.],

2003

• Loman, M.E.; Gerritsma, W. (2003)
  Implementing portal functionality at Wageningen UR Library : combining the old with the new
  In: Online information 2003 : proceedings, 2-4 December, Olympia Grand Hall & Conference Centre, London, UK. - s.l. : Learned Information,
• Zuidema, P.A.; Gerritsma, W.; Mommer, L.; Leffelaar, P.A. (2003)
  A physiological production model for cacao: model description and technical program manual of CASE2 version 2.2
  Wageningen : [s.n.],

2002

• Struik, P.C.; Wienk, J.F.; Gerritsma, W. (2002)
  An overview of 49 volumes of the Netherlands Journal of Agricultural Science
  NJAS Wageningen Journal of Life Sciences 50 (2). - p. 119 - 131.

1999

• Gerritsma, W.; Soebagyo, F.X. (1999)
  An analysis of the growth of leaf area of oil palms in Indonesia
  Experimental Agriculture 35 (1999) - p. 293 - 308.

1998

• Gerritsma, W. (1998)
  The world wide web: cocoa research at Wageningen Agricultural University
  INCOPED Newsletter no. 2, 1998, p. 9.
• Gerritsma, W. (1998)
  The Ostendorf archive : cocoa since 1502
  Ingenic Newsletter 4 (1998) - p. 25.
• Gerritsma, W. (1998)
  Cocoa and chocolate bibliography
  Book of abstracts MICC 1998, Kuala Lumpur, 1998, MCB, Kota Kinabalu, Sabah, Malaysia.
• Mohamad Zabawi, A.G.; Ramadasan, K.; Ahmad Affandi, K.; Gerritsma, W. (1998)
  An assessment on the yield potential of cocoa (Theobroma cacao L.) in different agro-ecological zones in peninsular Malaysia
  Book of abstracts MICC 1998, Kuala Lumpur, 1998, MCB, Kota Kinabalu, Sabah, Malaysia.

1997

• Anten, N.; Gerritsma, W.; Wessel, M. (1997)
  Modelling as a tool for cocoa research, preliminary results.
  Proceedings of the 11th International Cocoa Research Conference, Yamoussoukro, Cóte d'Ivoire, 1993. (1997).
• Gerritsma, W.; Wessel, M. (1997)
  Oil palm: domestication achieved?
  Netherlands J. Agric. Sc. 45 (1997) 463-475.
• Wessel, W.; Gerritsma, W. (1997)
  Re-thinking the shade policy for cocoa growing in West Africa.
  Proceedings of the 11th International Cocoa Research Conference, Yamoussoukro, Cóte d'Ivoire (1997) 860-868.

1996

• Gerritsma, W.; Wessel, M. (1996)
  CASE2, a model for cocoa growth and production.
  Summaries 12th Int. Cocoa Research Conf., Salvador - Bahia, Brasil (1996) 63.
• Gerritsma, W.; Wessel, M. (1996)
  Calculated yield trends of cocoa in different countries.
  Proc. Malaysian Int. Cocoa Conf., Kuala Lumpur, Malaysia, 1994. Jinap Selamat et al. (eds.). Malaysian Cocoa Board, Kota Kinabalu, Sabah, Malaysia (1996) 210-226.

1995

• Gerritsma, W. (1995)
  Physiological aspects of cocoa agronomy and its modelling.
  Internal Report Department of Agronomy, Wageningen Agricultural University, Wageningen (1995) 129 pp.

References retrieved from Wageningen Yield