000 00252nam a22001217a 4500
003 SGT
082 _a621,LAL
100 _aLAL G/K
245 _aMECHANICAL SCIENCES
260 _aNEW DELHI
_bNAROSA PUB.
_c2008
300 _a650
942 _2ddc
_cGF BOOKS
999 _c34341
_d34341