Ports '80 Norfolk, Va., American Society of Civil Engineers. Committee on Ports and Harbors, American Association of Port Authorities, Virginia Port Authority, & Mascenik, J. (1980). Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. American Society of Civil Engineers.

Ports '80 Norfolk, Va., American Society of Civil Engineers. Committee on Ports and Harbors, American Association of Port Authorities, Virginia Port Authority, and John Mascenik. Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. New York, N.Y.: American Society of Civil Engineers, 1980.

Ports '80 Norfolk, Va., et al. Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. American Society of Civil Engineers, 1980.