000 00394nam a2200133 4500
008 160414b xsy||||| |||| 00| 0 eng d
082 _a696,2
100 1 _aPeckworth,howardf.
_941897
245 1 _aConcrete pipe hand book/
_chowardf Peckworth.
260 _aUSA:
_bamericancan concrete pipi association,
_c1958.
300 _a453p:
_bill;
_c22cm.
650 _abuilding
_941898
942 _2ddc
_cBK
999 _c298728
_d298728