TY  - BOOK
ED  - Permanent International Association of Road Congresses.National Research Council. Transportation Research Board (E-.U.A.)
ED  - Harold-halm international symposium on concrete pavement co-nstruction (1988 : Washington, D.C.).Piarc world road congress-construction and maintenance of r-igid pavements (18th : 1987 : Bruselas, Belgica).
TI  - Concrete pavements : Harold halm international symposium on- concrete pavement construction and PIARC 18th world road -congress-construction and maintenance of rigid pavements / -Transportation Research Board
CY  - Washington, D.C. : TRB
ER  -