TY  - BOOK
AU  - Ernst Mayr
AU  -  E. Gorton Linsley  Robert L. Usinger
TI  - Methods and Principles of Systematic Zoology
U1  - 592 
PY  - 1953///
CY  - New York
PB  - Mcgraw Hill Book Co Inc
N1  - Ernst Mayr; E. Gorton Linsley & Robert L. Usinger: Methods and Principles of Systematic Zoology.  New York.  Mcgraw Hill Book Co Inc, 1953.--(592MAY)
ER  -