TRB Publications Indexhttp://pubsindex.trb.org/en-usCopyright © 2015. National Academy of Sciences. All rights reserved.http://blogs.law.harvard.edu/tech/rsstris-trb@nas.edu (Bill McLeod)tris-trb@nas.edu (Bill McLeod)TRB Publications Indexhttp://pubsindex.trb.org/Images/PageHeader-wTitle.pnghttp://pubsindex.trb.org/Optimization as Applied to Development of Thermoplastic Pipe Profileshttp://pubsindex.trb.org/view/1496105Fri, 26 Jan 2018 09:47:13 GMThttp://pubsindex.trb.org/view/1496105Structures 2010http://pubsindex.trb.org/view/1084113Mon, 20 Dec 2010 08:40:00 GMThttp://pubsindex.trb.org/view/1084113Pennsylvania Thermoplastic Pipe Deep Burial Project: The 20th-Year Investigationshttp://pubsindex.trb.org/view/848103Thu, 27 Mar 2008 10:25:12 GMThttp://pubsindex.trb.org/view/848103MINIMUM COVER HEIGHTS FOR CORRUGATED PLASTIC PIPE UNDER VEHICLE LOADINGhttp://pubsindex.trb.org/view/354018Tue, 30 Apr 1991 00:00:00 GMThttp://pubsindex.trb.org/view/354018