HENDERSON EMERICK, ROBERT HANDBOOK OF MECHANICAL SPECIFICATIONS FOR BUILDINGS AND PLANTS - 0 - U.S.A. MCGRAW-HILL 1966 - 482 pag 20 cm - 0 0 . GENERAL-CONDITIONES/POWER PLANTS/STEAM Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 531 / H39