Manual for the construction and maintenance of skid surfaces corresponding to those prepared by Texas Transportation Institute under National Bureau of Standards contract CST-451. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Organizational, DS, GS, and depot maintenance manual : battery, storage BB-451/U, (NSN 6140-00-889-1027).

"April 1967."

Die Bahn des Planeten (451) Patientia.

Thesis (doctoral)--Grossherzogl. Herzogl. Sachs. Gesamt-Universitat Jena.