1. English abstract of selected articles from Soviet bloc and mainland china technical journals: series 4, Engineering (mechanical, electrical, aeronautical, nuclear, petroleum, structural, and civil), machinery and equipment (general and special purpose), no. 1-3; Feb.-Apr. 1961. Bookmark Corporate/Agency Authors: Business and Defense Services Administration and Commerce Dept. Publisher: Business and Defense Services Administration Date: [1961.] SuDoc number: C 41.84/4:1-3