000 00276nam a2200109Ia 4500
008 220201s1984 xx 000 0 eng d
100 _aKumar,NS&Layal,JS
245 0 _aT.B of civil engineering drawing
260 _bIndia publishing House
_c1984
300 _a108
942 _2ddc
999 _c83417
_d83417