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/E-PHASE SYSTEM FOR DETECTING BURIED GRANULAR DEPOSITShttp://pubsindex.trb.org/view/47246Wed, 03 Nov 1976 00:00:00 GMThttp://pubsindex.trb.org/view/47246RADIO SYSTEM CALLS "HELP" WITHOUT WIRES OR BATTERIEShttp://pubsindex.trb.org/view/113710Tue, 21 Jul 1970 00:00:00 GMThttp://pubsindex.trb.org/view/113710