TY - BOOK AU - Jazvin, L. S. ED - "Problems of water resources development in arid zones", seminar TI - ˆA ‰method of exploration and valuation of commercial reserves for basic types of groundwater deposits in arid zone of the USSR PY - 1981/// CY - M. KW - Москва KW - Д476 KW - rubbk N2 - Библиогр.: с. 22-23 ER -