Books listed by ISBN
Per M Jørgensen
title
ISBN-13
(ISBN-10)
year of publication
The lichen family Pannariaceae in Europe
978-91-546-O241-4
(91-546-O241-6)
1978
M J
·
P.J.
·
P.M.
·
P M J
·
Per Magnus Jørgensen
Per M. Norheim-Martinsen