TY  - BOOK
T1  - Introduction to transportation systems
A1  - Haefner, Lonnie E.
LA  - English
PP  - New York
PB  - Holt, Rinehart, and Winston
YR  - 1986
UL  - https://tuklas.up.edu.ph/Record/UP-99796217602237225
OP  - 488
CN  - HE 151 H23
SN  - 30639379
KW  - Transportation.
ER  -