000
00269nam a2200109Ia 4500
008
220201s1989 xx 000 0 eng d
100
_a
Aggarwal, RK etc.
245
0
_a
Textbook of concrete technology
260
_b
India Pub. House
_c
1989
300
_a
193
942
_2
ddc
999
_c
84222
_d
84222