00465nam a2200121 a 45001000016000002450061000162500012000772600038000898560070001279420007001979990017002049520122002211 aGill, P. S.12aA text book of engineering drawing : Geometrical Drawing  a.  a[S  bS.K. Kataria & Sons,c2007.  a50  uhttp://www.amazon.com/exec/obidos/ASIN/B0007BYCMO/chopaconline-20  cBK  c10545d10545  00104070aQUESTCLbQUESTCLd2014-09-29g500.00l1o604.2GILp33128r2015-06-16 00:00:00s2015-03-02w2014-09-29yBK