000 00356nam a2200109Ia 4500
001 MPKV101932
008 120911s9999 xx 000 0 und d
245 _aOptimization Principles and Their Appication to Soil and Water Management.
_cHaryana Agril.University.;
260 _aHissar.
_bHaryana Agril. University.
_c1975
300 _axii
_b94pp
365 _b20/-
999 _c65412
_d65412