Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ SUMMARY OF NEAR TERM ENGINEERING AND DEVELOPMENT PROGRAM PLANS FOR GROUND BASED SEPARATION ASSURANCE https://trid.trb.org/View/9515 Thu, 27 Sep 1973 00:00:00 GMT https://trid.trb.org/View/9515 ARTS-III AUGMENTED TRACKING STUDY https://trid.trb.org/View/9089 Tue, 31 Jul 1973 00:00:00 GMT https://trid.trb.org/View/9089