000 00578nam a2200169 4500
001 3337
090 _a3337
100 _a20001027d1980 u y0frey50 ba
101 0 _aeng
102 _aUS
200 1 _aAutomation of surface irrigation
_e15 years of USDA research and development at Fort Collins, Colorado
_fScience and Education Administration
210 _aWashington
_cUnited Department of Agriculture
_d1980
215 _a60 p.
_cil.
_d25 cm
710 0 2 _aEstados Unidos.Science and Education Administration
801 0 _gRPC
_aPT
830 _cmdeus
_d27-06-2016
_fmdeus
_g27-06-2016
990 _cMON