000 00256nam a2200121Ia 4500
008 160921s9999 xx 000 0 und d
100 _aYADAV KS
245 _aENGINEERING MECHANICS
250 _a1st
260 _bVAYU
_c2008
300 _a444
942 _cBK
999 _c610
_d610