By Purvis O.W.   Halls C.   in Lichenologist

ISSN:0024-2829|28|6|671-601

Academic Press‎(1996)‎

Access to resources Favorite 3.4211533

By Gilbert O.L.   Purvis O.W.   in Lichenologist

ISSN:0024-2829|28|6|493-506

Academic Press‎(1996)‎

Access to resources Favorite 2.9324172

By Purvis O. W.   Pawlik-Skowrońska B.   Cressey G.   Jones G. C.   Kearsley A.   Spratt J.   in Mineralogical Magazine

ISSN:1471-8022|72|2|607-616

Mineralogical Society‎(2008)‎

Access to resources Favorite 1.9549447

By Wolseley P.A.   James P.W.   Coppins B.J.   Purvis O.W.   in Lichenologist

ISSN:0024-2829|28|6|543-570

Academic Press‎(1996)‎

Access to resources Favorite 1.9549447