TY  - BOOK
AU  - Ackermann, Robert John
AU  - Ackermann,Robert John
TI  - Data, Instruments, and Theory:  A Dialectical Approach to Understanding Science
SN  - 0691072965   
U1  - N54 
PY  - 1985///
CY  - Princeton
PB  - Princeton University Press
N1  - includes index and biblioraphy
ER  -