000 00287nam a2200121Ia 4500
008 220201s1963 xx 000 0 eng d
082 _a624.1834
_bORC
100 _aOrchard, DF
245 0 _aConcrete technology
260 _bAsia Publication House
_c1963
300 _a358
942 _2ddc
999 _c74042
_d74042