Perspectives for agronomy electronic resource : adopting ecological principles and managing resource use, proceedings of the 4th Congress of the European Society for Agronomy, Veldhoven and Wageningen, The Netherlands, 7-11 July 1996 / edited by M.K. van Ittersum, S.C. van de Geijn

Förlag	År	Ort	Om boken	ISBN
Elsevier	uuuu-uuuu	Utgivningsland okänt / Ej specificerat