Cox, Charles Raymond Operation and control of water treatment processes Charles R. Cox - Geneva World Health Organization 1964 - 390 s. res., tbl. 24 cm. - World Health Organization Monograph series no. 49 . İndeks var. Kaynakça var. Subjects--Topical Terms: Water--Purification.Water-supply. Dewey Class. No.: 628.16 COX 1964