00317nam a2200097Ia 4500008004100000082001900041245008500060260002900145650002700174700001800201220204s9999    xx            000 0 und d  a631:911bNOO.4 0aPerspectives in agricultural geography: Regional dimensions in agriculture. V 4.  aNew DelhibConceptc1981  aAgricultural geography  aNOOR MOHAMMAD