TY  - BOOK
AU  - Ridley,Mark  .
TI  - Evolution and classification : the reform of cladism / 
SN  - 0582444977
U1  - 578.012 
PY  - 1986///
CY  - London : 
PB  - Longman , 
KW  - CLADISTIC ANALYSIS
N1  - Includes index
ER  -