TY  - BOOK
AU  - Radder,Hans
TI  - The world observed, the world conceived
SN  - 0-8229-4284-4
AV  - Q175.R23 2006 
PY  - 2006///
CY  - Pittsburgh 
PB  - : University of Pittsburgh
KW  - Science
KW  - Philosophy
N1  - Includes bibliographical references and index
ER  -