TY  - BOOK
AU  - Hanson, Norwood Rusell
AU  - Hanson,Norwood Rusell
TI  - Perception and Discovery:  An Introduction to Scientific Inquiry
U1  - N15.2 
PY  - 1969///
CY  - California
PB  - Stockton Street San Francisco
N1  - includes index and biblioraphy
ER  -