000 00347nam a22001337a 4500
020 _a0-309-03214-8
082 _a624.28
_bNAT
_cD
100 _aN.A.S Washington
245 _aBridge and pavement maintenance
_cN.A.S Washington
260 _aWashington
_bN.A.S Washington
_c1981
300 _aiv, 47p.:
_bill.;
_c28cm
650 _aNUST/MCE
942 _cBK
999 _c7526
_d7526