000			00290nam a2200121Ia 4500
008			171124s9999||||xx |||||||||||||| ||und||
020			_a978125903363
100			_aKRISHNA RAJU N
245		0	_aPRESTRESSED CONCRETE
250			_a5TH
260			_aNEW DELHI _bM.G.H PUBLISHER-1 _c2015
300			_a812
942			_cLEN_BK
999			_c1254 _d1254