00285nam a2200109Ia 4500008004100000082001200041100002900053245003900082250002500121260000900146300002000155190415s9999    xx            000 0 und d  aTP.0125  aPatel, Haribhai Julabhai 0aEconomics of irrigation in Gujarat  aSardar Patel Univers  c1985  a286p. + C D -29