00646cam a22002297a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001900102110000800121245013200129260002300261300002000284490002600304650001300330650001800343650002900361830002600390CHAP20220817042448.0971013s1972            r     00010     d  a45511  a46483  a50624  cCHAP  a631.7bF3 v.112 aFAO10aPlanning methodology seminar Bucharest; report of UNDPc/ FAO seminar on the methodology of planning land and water development  aRoma :bFAO,c1972  a128 p.b: mapas 0aRiego y drenajev; 1114aDrenaje.14aIrrigación.14aPolítica hidráulica. 0aRiego y drenajev; 11