P. O. Backer

AUTOMATIC ENGLISH-TO-LOGIC TRANSLATION IN A SIMPLIFIED MODEL, A STUDY IN THE LOGIC OF GRAMMAR. FINAL REPORT.

P. O. Backer, H. G. Bohnert, H. Bohnert, 1966 .

Enrichment calculations in gaseous diffusion: Large separation factor

P. O. Backer, R. Naylor, Robert W. Naylor, 1955 .