author = { Rhoads, Ann Fowler Block, Timothy A. AND Aniśko, Anna },

title = { Trees of Pennsylvania a complete reference guide },

publisher = {University of Pennsylvania Press},

isbn = {9780812237856},

isbn = {0812237854},

keywords = { Trees Pennsylvania Identification , Trees Pennsylvania Pictorial works , Trees Identification Pennsylvania , Trees Pictorial works Pennsylvania },

year = {2005},

abstract = {Includes index. - Formerly CIP},

address = { Philadelphia },

url = { https://katalog.slub-dresden.de/en/?cHash=a8fa44d3bda0cb9d524c2f0ab6715df9&tx_find_find%5Baction%5D=citation&tx_find_find%5Bcontroller%5D=Search&tx_find_find%5Bid%5D=0-1605487430&tx_find_find%5Btype%5D=bibtex }