51. PRB technical research notes. 52. Prediction of success in radio repair courses [with one reference; by] A. H. Birnbaum, S. J. Armore. Bookmark Corporate/Agency Authors: Adjutant General's Office (Army) and Defense Dept. Publisher: Adjutant General's Office (Army) Date: Dec. 1955 SuDoc number: D 102.27:(nos.)