01413nam0a22002891 4500 RU\INFOCOMM_327\NLR\5000034202 20250613110812.0 (NLR Aleph) 009574577 9151265 9151265 20130219d1981 |||y0rusy50 ca eng RU y z ||||| Methods of hydrogeological and engineering-geological investigations for the purpose of irrigation and reclamation in arid zones Seminar "Problems of water resources development in arid zones", [Tashkent, 1981] E. V. Mavlyanov United Nations Econ. commiss. for Africa a. State comm. of the USSR for external econ. relations M. 1981 18 с. 21 см В вып. дан.: Методика проведения гидрогеологических и инженерно-геологических исследований для целей ирригации и мелиорации в аридных зонах / Э. В. Мавлянов Москва П060.2 rubbk z01790 Mavljanov E. V. Érkin Vachabovič "Problems of water resources development in arid zones", seminar Tashkent 1981 570 z01700 Mavlyanov E. V. 070 RU Infocomm 20130219 RU INFOCOMM PSBO NLR С15 Д-4/20 BOOK NB 2013-10-26 NLR01 NLR01 IF 9574577-10 С15 Д-4/20 0 BOOK 15_420