Modernisation of water management : technological and institutional improvements in irrigation and drainage : proceedings seventh Netherlands national ICID symposium Nijmegen, The Netherlands, 4th of April 2002 / ed. by S.J. Visser

Modernisation of water management : technological and institutional improvements in irrigation and drainage : proceedings seventh Netherlands national ICID symposium Nijmegen, The Netherlands, 4th of April 2002 / ed. by S.J. Visser