000 00410nam a22001217a 4500
008 230714b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aManual on traffic surveys
_c/ Economic Commission for Asia and the Far East Bangkok, Thailand
260 _aNew York:
_bUnited Nations,
_c1971
300 _avi, 129p.
650 _aSurveys
942 _2udc
_cREF
999 _c52628
_d52628