Water supply and wastewater disposal: international almanac = Wasserversorgung und Abwasserbeseitigung /
Water supply and wastewater disposal: international almanac = Wasserversorgung und Abwasserbeseitigung / Compiled by Alfred Kępiński & Waldemar A. S. Kępiński. - Essen : Vulkan-Verlag, c1976. - v. ;316p.: ill, 21 cm. - international almanac, .
previously published in 1978.
includes bibliographies and index
9783802724374
TD345.K47 1978