Elonka, Stephen Michael. Plant operators' manual. - New York, McGraw-Hill, 1956. - 281 p. illus. 26 cm. LCCN: 56006955 Nat. Bib. No.: GB56-11006 Subjects--Topical Terms: Power-plants. LC Class. No.: TJ 164 / E46 1956 Dewey Class. No.: 621.7