@article{181959, recid = {181959}, title = {Maintenance of pavement underdrain system [microform].}, publisher = {U.S. Dept. of Transportation, Federal Highway Administration, Office of Engineering,}, address = {Washington, D.C. (400 Seventh St., SW., Washington 20590) :}, pages = {4, [22] p. :}, year = {1995}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/181959}, }