Baldev, Raj Practical non-destructive testing / Baldev Raj, T. Jayakumar and M. Thavasimuthu - 3rd ed. - New Delhi : Narosa publishing house, 2007. - xvi, 211 p. : ill. ; 21 cm. Including general references and index. ISBN: 9788173197970 Subjects--Topical Terms: Nondestructive testingLiquid penetrant testing Dewey Class. No.: 620.1127 / BAL/P