TY  - BOOK
AU  - Ehrlich,Paul R.
AU  - Ehrlich,Anne H.
TI  - The butterflies
T2  - The pictured-key nature series
PY  - 1961///
CY  - United States of America
PB  - Brown
KW  - Entomología
KW  - Lepidoptera
KW  - Texto
ER  -