TY  - BOOK
AU  - Husserl,Edmund
TI  - Prolegomena to pure logic: (volume one of the German edition) ; Expression and meaning : (Investigation I, volume 2 of the German edition) ; The ideal unity of the species : (Investigation I, volume 2 of the German edition)
SN  - 391-00053-5
PY  - 1970///
CY  - New York
PB  - Humanities Press
ER  -