000 00482nam a22001337a 4500
082 _a625.7
_bNAT
_cD
100 _aNational academy of sciences
_943620
245 _aHighway research board special report 24
_bHighway engineering training programs for professional and preprofessional employees
260 _aWashington, D.C
_bNational academy of sciences
_c1957
300 _aiv, 20 p.
_billus
526 _a0
_b0
_c0
_d625_700000000000000_NAT
650 _aMCE
_9379
942 _2ddc
_cBK
999 _c547419
_d547419