TY  - BOOK
AU  - Clifford,H.T.
AU  - Stephenson,William
TI  - An introduction to numerical classification
SN  - 0121767507 :
U1  - 574.012 
PY  - 1975///
CY  - New York
PB  - Academic Press
KW  - Numerical taxonomy
KW  - Biology
KW  - classification
N1  - Includes index; Bibliography: p. 209-224
ER  -