Extent:
X, 180 S.
Ill., graph. Darst., Kt.
Series:
Bulletin / Office of Education, US Department of Health, Education and Welfare. - Washington, DC, ZDB-ID 951494-6. - Vol. 1959, 20
Type of publication: Book / Working Paper
Language: English
Source:
ECONIS - Online Catalogue of the ZBW
Persistent link: https://www.econbiz.de/10002050581