TY  - BOOK
AU  - Beveridge,W.I.B.
ED  - Heinemann
TI  - The art of scientific investigation
U1  - 507.2 23
PY  - 1957///.
CY  - Melbourne: 
PB  - Heinemann, 
KW  - Research
N1  - Includes bibliography: p. 169-174 and index
ER  -