TY  - BOOK
ED  - Annual meeting : 66 : ene 12-16 : 1997 : Estados Unidos
ED  - National Research Council. Transportation Research Board (E-.U.A.)
TI  - Seventy - sixth annual meeting : preliminary program, janua-ry 12-16, 1997 / Transportation Research Board
CY  - Washington, D.C. : TRB
ER  -