000 00272nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _bGRA
100 _aGraduck, II
245 0 _aPrestressed concrete
260 _aCalcutta
_bOxford
_c1968
300 _a139
942 _2ddc
999 _c20325
_d20325