00459nam a2200169Ia 4500008004100000020001500041082001700056100001800073245004400091260005700135300000800192650001400200650002000214653001600234653001200250653002700262170901s1991 xx 000 0 und d a8171002897 a338.14bP22F aPathak, Mohan 0aFlood Plains and Agricultural Occupance aNew DelhibDeep and Deep Publications Pvt. Ltdc1991 a212 aEconomics aSocial sciences aAgriculture aTillage aTopography and geology