TY  - BOOK
AU  - Klots,Alexander B.
TI  - A field guide to the butterflies of North America, East of the great plains
U1  - 595.98 
PY  - 1969///
CY  - Cambridge
PB  - Houghton Mifflin Company Boston
KW  - Mariposas
KW  - Guía de campo
ER  -