000 00305nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a620.1
100 _aAggarwal, A & Arora, NL
245 0 _aT. B. Of Concreate Engineering Materials
260 _bIndia Pub House
_c1977
300 _a329
942 _2ddc
999 _c80641
_d80641