1. 1
    ...Dept. of Survey and Land Information,...
    Conference Proceeding Book
  2. 2
    Published 1968
    ...Israel Program for Scientific Translations; [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.],...
    Conference Proceeding Book
  3. 3
    Published 1968
    ...Israel Program for Scientific Translations [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.],...
    Conference Proceeding Book