000 00357 a2200133 4500
082 _a625.76 NAT
090 _c3485
_d3485
110 _aNATIONAL RESEARCH COUNCIL
245 _aMAINTENANCE PRACTICES
260 _aWASHINGTON
_bNATIONAL ACADEMY OF SCIENCES
_c1965
300 _a98 P, PB
500 _aHIGHWAY RESEARCH RECORD NO. 94
942 _aMCE
_cD
_k625.76 NAT
999 _c1117
_d1117