Subramanian, C. V. Practical ultrasonics / C. V. Subramanian - Oxford : Alpha Science International, 2006 - 150 p. : ill. ; 25 cm. - Indian Society for Non-Destructive Testing - National Certification Board Series . ISBN: 1842652389 9781842652381 Subjects--Topical Terms: Nondestructive testingUltrasonic testingUltrasonics