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082 _aHEA
100 _aHeady E O
245 _aWater Production Functions for Irrigated Agriculture
_cHeady, E O; Hevem, R W
246 _aWater Production Functions for Irrigated Agriculture
260 _bIowa State Uni. Press
365 _b77.86
650 _aWater Productin
700 _aHeady, E O
700 _aHevem, R W
700 _aHeady E O
700 _aHevem R W
999 _c15165
_d15165