00506nam a2200169Ia 4500 230714s9999 xx 000 0 und d 9790000000000 eng 620.1'127 KAL Kalyanasundaram P. 196905 Practical Acoustic Emission 2007 Narosa Publishing 121 Rs. 165.00 Kalyanasundaram P.; Mukhopadhyay C.K. & Rao S.V.S. 196906 O:0422126-Sep-2014B:IN 58216-Jul-2014 MECH 66 214009 214009