On what there must be.

Detaylı Bibliyografya
Yazar:	Harrison, Ross
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	Oxford [Eng.] Clarendon Press 1974.
Konular:	Ontology. Space and time. Perception. Private language problem. Act (Philosophy)