000 00312nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
041 _aENG
100 _aGUPTA, R B
245 0 _aENGINEERING DRAWING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1994
300 _a3.1943526411e+011
942 _2ddc
999 _c61440
_d61440