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Tech Digest Vol.12 Num.1 Cover

Volume 12, Number 1 (January 1973)

Augmented Block Guidance—A Control Concept for Automated Urban Transit

G. L. Pitts, E. J. Hinman

Applied Ancient Astronomy

R. R. Newton


Awards and Appointments, Publications, Colloquia, Addresses, and the Authors

APL Celebrates 80 Years of

Game-Changing Impact

Read more

80th anniversary