Change 1 to use of nondestructive testing devices in the evaluation of airport pavements, revises curve. - [Washington, D.C., 1980]. - v. July 1980. CRDP Program Historic Shelflist record. Subjects--Topical Terms: Pavements--Testing. GPO Item No.: 0431-A-27 Gov. Doc. Class. No.: TD 4.8/5:150.5370-11/CH.1