TY  - BOOK
AU  - Ross,Herbert Holdsworth
TI  - Biological systematics
T2  - Addison-Wesley series in biology
SN  - 0201065312
AV  - QH83 .R67
U1  - 574/.01/2 
PY  - 1974///]
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Biology
KW  - Classification
N1  - Bibliography: p. 316-332
ER  -