Molof, Alan H. and Carl J. Turkstra. Infrastructure: Maintenance and Repair of Public Works. Annals of the New York Academy of Sciences, 431. New York: New York Academy of Sciences, 1984.

Molof, Alan H. and Carl J. Turkstra. Infrastructure: Maintenance and Repair of Public Works. Annals of the New York Academy of Sciences, 431. New York: New York Academy of Sciences, 1984.