Congresses

Sleep, 1978 de: European Congress on Sleep Research((4th :; 1978 :; Tîrgu-Mureş, Romania)); European Sleep Research Society (Text tipărit)

Deuxième congrès international d'esthétique et de science de l'art de: International Congress in Aesthetics((2nd :; 1937 :; Paris, France)) (Text tipărit)