Kohan, Anthony Lawrence. Boiler operator's guide [Books]. Anthony Lawrence Kohan [and] Harry M. Spring. - 3rd ed. - New York McGraw-Hill 1991 - Pages: 564 ISBN: 0070356971 0.00 LCCN: 91000294 Subjects--Personal Names: Steam-boilers -- Handbooks, manuals, etc. Dewey Class. No.: TJ/289 / KOH