BUREAU OF INDIAN STA INDIAN STANDRAD NON-DESTRUCTIVE TESTING OF CONCRETE-METHODS OF TEST : PART 1 ULTRASONIC PULSE VELOCI 1 - 1st rep. 2008 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 7 Subjects--Topical Terms: CONCRETE-METHODS OF TEST Dewey Class. No.: 004 / BUR