000 00285nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a620.1
_bDOS
100 _aDoshi, CR
245 0 _aEngineering mechanics
260 _bNew Delhi:Jain brothers
_c1969
300 _a519
942 _2ddc
999 _c75326
_d75326