00296nam a22001217a 4500003000900000020001500009040001300024082001400037100002100051245002800072260004400100300003000144BT-PhCST  a8187328878  cBT-PhCST  222a620.1  aKumaravelan, R.   aEngineering mechanics /  aNew Delhi, bScitech Publications, cNA  aI.3 p. ;bill. ;c24 cm.