Permanent International Association of Road Congresses. Permanent International Association of Road Congresses, 6th congress, Washington, 1930; 1st section, construction and maintenance, 2d question, Most recent methods adopted for use of tar, bitumen, and asphalt in road construction; report by F. J. Nellensteyn and R. Loman.
Publication Title:
Permanent International Association of Road Congresses. Permanent International Association of Road Congresses, 6th congress, Washington, 1930; 1st section, construction and maintenance, 2d question, Most recent methods adopted for use of tar, bitumen, and asphalt in road construction; report by F. J. Nellensteyn and R. Loman.
Display Title:
Permanent International Association of Road Congresses. Permanent International Association of Road Congresses, 6th congress, Washington, 1930; 1st section, construction and maintenance, 2d question, Most recent methods adopted for use of tar, bitumen, and asphalt in road construction; report by F. J. Nellensteyn and R. Loman.