, Zoological Institute, Department of Terrestrial Ecology, University of Cologne, Zülpicher Strasse 47b, D–50674 Cologne, Germany.

• Zootaxa Vol. 3760 No. 1: 30 Jan. 2014 - Article
  A new species of Cyrtodactylus (Squamata: Gekkonidae) from Khammouane Province, Laos
  Abstract
• Zootaxa Vol. 4079 No. 1: 10 Feb. 2016 - Article
  

  A new species of karst-dwelling bent-toed gecko (Squamata: Gekkonidae) from Khammouane Province, central Laos

  
  Abstract
• Zootaxa Vol. 4084 No. 3: 26 Feb. 2016 - Article
  A new species of Odorrana (Amphibia: Anura: Ranidae) from Vietnam
  Abstract
• Zootaxa Vol. 4058 No. 3: 17 Dec. 2015 - Article
  

  A new species of Cyrtodactylus (Squamata: Gekkonidae) from the limestone forest of Khammouane Province, central Laos

  
  Abstract
• Zootaxa Vol. 4067 No. 2: 21 Jan. 2016 - Article
  

  Cyrtodactylus rufford, a new cave-dwelling bent-toed gecko (Squamata: Gekkonidae) from Khammouane Province, central Laos

  
  Abstract
• Zootaxa Vol. 3895 No. 1: 12 Dec. 2014 - Article
  

  A new species of the Gekko japonicus group (Squamata: Gekkonidae) from central Laos

  
  Abstract