TY  - BOOK
AU  - Cies'lak, Marian
TI  - Feathers : Identification for bird conservation
SN  - 978-83-924410-0-1
U1  - 598.147 
PY  - 2006///
CY  - Poland
PB  - Natura Publishing House
KW  - Birds - Feathers
KW  - Dul, Bolestaw
N2  - This guide presents the feathers of 60 species of bird, of which 38 are included in Annex I of the EU's Birds Directive
ER  -