A comparison of astronomical and ballistic traditions in orbit computation /

"Air research and Development Command, Air Force Office of Scientific Research, Mechanics Division. Contract no. AF 49(638) - 498."

Manual for Overhaul, Repair and Handling [of Navigational Instruments]

Mode of access: Internet.

Astronomical register.

Mode of access: Internet.

Instruments for the study of atomospheric pollution.

Cover title.