00393nam a2200169Ia 4500 25677 Ost 20260507160059.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 620.3 G89M Grover, G. K. Mechanical vibrations / Grover, G. K., Nigam, S. P. Nigam, S. P. BK 25491 25491 0 0 0 0 NITTTR NITTTR 2026-05-07 0 620.3 G89M 42776 2026-05-07 16:00:59 2026-05-07 BK