TY - BOOK ED - World Road Congress (18th: 1987: Brussels) TI - xviii the world road congress, Buddels 13-19 Sept. 1987. Question 1 AV - FCM HE332.W67 no.1 PY - 1987/// CY - Brussels PB - :Permanent International Association of Road Congresses KW - Roads KW - Earthworks KW - Drainage N1 - Question 1: Earthworks, drainage subgrade ER -