TY  - BOOK
AU  - Gregg, John R.
TI  - The language of taxonomy: an application of symbolic logic to the study of classificatory systems
U1  - 592/599 J4 
PY  - 1954///
CY  - New York
PB  - Columbia University Press
KW  - John R.Gregg
KW  - Botany,Taxonomy,Systematics
ER  -