TY  - BOOK
AU  - Elix J A
TI  - Revision of the Lichen Genus Paraparmelia Elix & J Johnst : Bibliotheca Lichenologica Band 80 .-3-443-58059-9
SN  - 3-443-58059-9
U1  - I27/P01/B24600 
PB  - J Cramer, Berlin, Germany
ER  -