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- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Oct. 1961
- SuDoc number:
- NS 1.2:Sci 2/13
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Oct. 1961
- SuDoc number:
- NS 1.11:31
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Oct. 1961
- SuDoc number:
- NS 1.3/2:(nos.)
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Sept. 1961
- SuDoc number:
- NS 1.11:(nos.)
- Corporate/Agency Authors:
- Science Information Service Office and National Science Foundation
- Publisher:
- Science Information Service Office
- Date:
- Aug. 1961
- SuDoc number:
- NS 2.9:R 92/961
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Aug. 1961
- SuDoc number:
- NS 1.11:(nos.)
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- July 1961
- SuDoc number:
- NS 1.3/2:13
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- July 1961
- SuDoc number:
- NS 1.3/2:14
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- June 1961
- SuDoc number:
- NS 1.11:28
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- June 1961
- SuDoc number:
- NS 1.16:10