TY  - BOOK
AU  - Blackwelder,Richard Eliot
TI  - Taxonomy: a text and reference book 
SN  - 047107800X
PY  - 1967///
CY  - New York
PB  - John Wiley & Sons
KW  - Zoology
KW  - Classification
N1  - Bibliography : p. 607-661
ER  -