Grassland science in perspective : papers presented at the International Farewell Symposium "Grassland Science in Perspective" and farewell address at the occasion of the official retirement of Professor Leendert 't Mannetje on June 20, 1996, in the Aula of the Wageningen Agricultural University, The Netherlands
Grassland science in perspective : papers presented at the International Farewell Symposium "Grassland Science in Perspective" and farewell address at the occasion of the official retirement of Professor Leendert 't Mannetje on June 20, 1996, in the Aula of the Wageningen Agricultural University, The Netherlands / A. Elgersma, P.C. Struik and L.J.G. van der Maesen (ed.)