(2002). Progress and problems in lichenology at the turn of the millenium: Proceedings of the Fourth Symposium of the International Association for Lichenology (IAL4) held at the Universitat de Barcelona, Barcelona, Spain on 3. - 8. September 2000. Cramer.
Chicago-Zitierstil (17. Ausg.)Progress and Problems in Lichenology at the Turn of the Millenium: Proceedings of the Fourth Symposium of the International Association for Lichenology (IAL4) Held at the Universitat De Barcelona, Barcelona, Spain on 3. - 8. September 2000. Berlin ; Stuttgart: Cramer, 2002.
MLA-Zitierstil (9. Ausg.)Progress and Problems in Lichenology at the Turn of the Millenium: Proceedings of the Fourth Symposium of the International Association for Lichenology (IAL4) Held at the Universitat De Barcelona, Barcelona, Spain on 3. - 8. September 2000. Cramer, 2002.