000 003160000a22001210004500
245 _aA textbook on practical geometry : engineering graphics
100 _aLakshminarayanan, V.
100 _aVaishwanar, R.S.
260 _aNew Delhi
_bJain Bros.
_c1981
080 _a621.7:744
_bL3
041 _aEN
942 _cBK
999 _c114978
_d114978