000 00289nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRP.0188
100 _aPatnaik, Utsa
245 0 _aEconomic characteristics of agricultural classes
260 _c1981
300 _a209p.
942 _cBK
999 _c13021
_d13021