Warsaw, Poland : Published for the U.S. Dept. of the Interior and the National Science Foundation by the Scientific Publications Foreign Cooperation Center of the Central Institute for Scientific, Technical and Economic Information, 1968. [Springfield, Va.] : [U.S. Department of Commerce, Clearinghouse for Federal Scientific and Technical Information]
The information below has been drawn from sources outside of the University of Wisconsin-Madison Libraries. In most instances, the information will be from sources that have not been peer reviewed by scholarly or research communities. Please report cases in which the information is inaccurate through the Contact Us link below.