Inst. of Technology Stuttgart
Country
Germany
University of the Oriente
Country
Venezuela
City
Cumana
Univs. of Madrid; Barcelona; Valencia & Seville
Country
Spain
City
Norwegian Advanced Teachers Training College
Country
Norway
City
Trondheim
Ruakura Agricultural Research Center
Country
New Zealand
Art Academy of Munich
Country
Germany
Nat'l. Council of Secondary Education
Country
Uruguay
City
Montevideo