Books listed by ISBN

Herbert Ynickel

Pensoft Pub

titleISBN-13
(ISBN-10)		year of publica-
tion
The Leafhoppers and Planthoppers of Germany : Patterns and Strategies in a Highly Diverse Group of Phytophagous Insects978-954-642-169-2
(954-642-169-3)		2003

Herbert Youngdahl