000 00323nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a630.72 Y26
100 _aYARON,D
245 0 _aOPERATIONS RESEARCH IN AGRICULTURE AND WATER RESOURCES
260 _aAmsterdam
_bNorth-Holland
_c1980
300 _a23X16
942 _cBK
_2DDC
999 _c21807
_d21807