TY  - BOOK
AU  - Ridgman,W.J
TI  - Experimentation in biology: an introduction to design and analysis 
SN  - 0470152168
PY  - 1975///
CY  - New York
PB  - Wiley & Sons
KW  - Biometry
N1  - 'A Halsted Press book.'; Includes index; Bibliography: p. 224
ER  -