000 003090000a22001090004500
245 _aInovative methods of upgrading difficient through truss bridges
100 _aSabins, G.M.
260 _aWashington
_bOfficers of Research Devpt. & Technology
_c1982
080 _a624.26
_bS3
041 _aEN
942 _cBK
999 _c116156
_d116156