Ámbito geográfico
LATIN AMERICA
16
EUROPE
13
ARGENTINA
8
CHINA
6
UNITED STATES
6
GERMANY
5
AMÉRICA LATINA
4
AMERICA
3
BRAZIL
3
GREAT BRITAIN
3
MEXICO
3
SPAIN
3
CARIBBEAN AREA
2
CZECHOSLOVAKIA
2
EUROPA
2
FRANCE
2
AFRICA
1
AFRICA, SOUTHERN
1
ALEMANIA
1
BELGIUM
1
BERLIN (GERMANY)
1
BÉLGICA
1
BUENOS AIRES
1
CAPPADOCIA
1
CAPPADOCIA (TURKEY)
1
CARIBE (REGIÓN)
1
DEVELOPING COUNTRIES
1
EGYPT
1
ESPAÑA
1
EUROPEAN ECONOMIC COMMUNITY COUNTRIES
1
EUROPEAN UNION COUNTRIES
1
GREECE
1
HUNGARY
1
IRELAND
1
MEDITERRANEAN REGION
1
MÉXICO
1
NEW MEXICO
1
PAÍSES EN DESARROLLO
1
PATAGONIA (ARGENTINA AND CHILE)
1
PERU
1
SOLAR SYSTEM
1
SOUTH AMERICA
1
SOVIET UNION
1
SUIZA
1
SWITZERLAND
1
TEREZÍN (SEVEROÉCESKÂY KRAJ)
1
TIBET AUTONOMOUS REGION
1
TURKEY
1
YUGOSLAVIA
1