Heady, Earl O Hexem, Roger W
Water production functions for irrigated agriculture - Ames, Iowa state university press 1978 - 213
0-8138-1785-4
Irrigated farming - economic aspects - mathematical models
631.7 HEX
100
Water production functions for irrigated agriculture - Ames, Iowa state university press 1978 - 213
0-8138-1785-4
Irrigated farming - economic aspects - mathematical models
631.7 HEX
100