AN ELECTRONICALLY CONTROLLED TELESCOPE DRIVE
J. H. DeWitt, Jr., C. K. Seyfert and R. H. HardieVolume:
70
Language:
english
Journal:
Publications of the Astronomical Society of the Pacific
DOI:
10.2307/40673341
Date:
June, 1958
File:
PDF, 1.01 MB
english, 1958