000 00285nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
100 _aLIBBY J
245 0 _aMODERN PRESTRESSED CONCRETE
250 _a2
260 _aNEW YORK
_bD VAN NOSTRAND PUB
_c1975
300 _a629
942 _2ddc
999 _c89852
_d89852