TY  - BOOK
AU  - Laer,Pierre Henri van
TI  - Philosophy of science
T2  - Duquesne studies. Philosophical series
AV  - Q175 .L19
PY  - 1963///-
CY  - Pittsburgh
PB  - Duquesne University Press
KW  - Science
KW  - Philosophy
KW  - Local
N1  - Bibliographical footnotes; pt. 1. Science in general
ER  -