Benedetti Michelangeli, Arturo (1920-1995)(1)
Conference on the Crisis of the University (1973 : Venedig) (1973-)(1)
Harper and Row Publishers Inc. (New York, NY)(1)
Hermann-Luchterhand-Verlag (1924-)(1)
Hirsch, Gottwalt Christian (1888-1972)(1)
International Botanical Congress (12. : 1975 : Leningrad) (1975-)(1)
International Seaweed Symposium (7. : 1971 : Sapporo) (1971-)(1)
International Symposium on Contemporary Physics (1968 : Triest) (1968-)(1)
Lietzmann, Walter (1880-1959)(1)
Marcel Grossmann Meeting on General Relativity (1. : 1975 : Triest) (1975-)(1)