TY  - BOOK
AU  - Salthe,Stanley N.
TI  - Evolving hierarchical systems: Their structure and representation 
SN  - 0231060165 (alk. paper)
U1  - 574/.012 19
PY  - 1985///
CY  - New York
PB  - Columbia University Press
KW  - Biology
KW  - Classification
KW  - Evolution (Biology)
N1  - Includes indexes; Bibliogr.: p. [311]-329
ER  -