WALKER, RODGER. PUMP SELECTION A CONSULTING ENGINEER'S MANUAL/ R. WALKER. - USA: ANN ARBORSCIENCE 1972 - 118 P. 24 CM. INCLUYE INDICE. Subjects--Topical Terms: 1.BOMBAS MECANICAS - MANUALES, ETC. Dewey Class. No.: 621.602202 W35