TY  - BOOK
AU  - National academy of sciences
TI  - Highway research board special report 24: Highway engineering training programs for professional and preprofessional employees 
U1  - 625.7 
PY  - 1957///
CY  - Washington, D.C
PB  - National academy of sciences
KW  - MCE
N1  - 0; 0; 0; 625_700000000000000_NAT
ER  -