TY  - BOOK
AU  - Laer, P Henry Van
AU  - Laer,P Henry Van
TI  - Philisophy of Science.Part 1:  Science in General
U1  - N54 
PY  - 1956///
CY  - Pittsburgh
PB  - Duquesne University Press
N1  - includes index and biblioraphy
ER  -