Kärnefelt, I./ Thell, A. 2007: Erik Acharius and his times. - In: Kärnefelt, I.; Thell, A.: Lichenological Contributions in Honour of David Galloway. . Bibliotheca Lichenologica 95. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin-Stuttgart pp. 63-74. [RLL List # 207 / Rec.# 28896] Keywords: ACHARIUS/ HISTORY