Universität zu Köln

Geissler, Peter, Hartmann, Timo, Ihlow, Flora, Roedder, Dennis, Poyarkov, Nikolay A., Jr., Nguyen, Truong Q., Ziegler, Thomas and Boehme, Wolfgang (2015). The Lower Mekong: an insurmountable barrier to amphibians in southern Indochina? Biol. J. Linnean Soc., 114 (4). S. 905 - 915. OXFORD: OXFORD UNIV PRESS. ISSN 1095-8312

Geissler, Peter, Hartmann, Timo, Ihlow, Flora, Roedder, Dennis, Poyarkov, Nikolay A., Jr., Nguyen, Truong Q., Ziegler, Thomas and Boehme, Wolfgang (2015). The Lower Mekong: an insurmountable barrier to amphibians in southern Indochina? Biol. J. Linnean Soc., 114 (4). S. 905 - 915. OXFORD: OXFORD UNIV PRESS. ISSN 1095-8312

Geissler, Peter, Poyarkov, Nikolay A., Jr., Grismer, Lee, Nguyen, Truong Q., An, Hang T., Neang, Thy, Kupfer, Alexander, Ziegler, Thomas, Boehme, Wolfgang and Mueller, Hendrik ORCID: 0000-0001-6764-7376 (2015). New Ichthyophis species from Indochina (Gymnophiona, Ichthyophiidae): 1. The unstriped forms with descriptions of three new species and the redescriptions of I-acuminatus Taylor, 1960, I-youngorum Taylor, 1960 and I-laosensis Taylor, 1969. Org. Divers. Evol., 15 (1). S. 143 - 175. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-1077

Geissler, Peter, Poyarkov, Nikolay A., Jr., Grismer, Lee, Nguyen, Truong Q., An, Hang T., Neang, Thy, Kupfer, Alexander, Ziegler, Thomas, Boehme, Wolfgang and Mueller, Hendrik ORCID: 0000-0001-6764-7376 (2015). New Ichthyophis species from Indochina (Gymnophiona, Ichthyophiidae): 1. The unstriped forms with descriptions of three new species and the redescriptions of I-acuminatus Taylor, 1960, I-youngorum Taylor, 1960 and I-laosensis Taylor, 1969. Org. Divers. Evol., 15 (1). S. 143 - 175. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-1077

Geissler, Peter, Van Devender, Robert Wayne, Hartmann, Timo, Farkas, Balazs, Ziegler, Thomas and Boehme, Wolfgang (2011). A review of Indochinese skinks of the genus Lygosoma Hardwicke & Gray, 1827 (Squamata: Scincidae), with natural history notes and an identification key. Biologia, 66 (6). S. 1159 - 1177. NEW YORK: SPRINGER. ISSN 1336-9563