Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Gisler, R" or (type any "bookEditor issueEditor" and editor="Gisler, R") Add to list Journal Article A1 The use of dosed and herbage N-alkanes as markers for the determination of intake, digestibility, mean retention time and diet selection in Galapagos tortoises (Geochelone nigra) Jean-Michel Hatt, R Gisler, RW Mayes, M Lechner-Doll, Marcus Clauss (UGent) , A Liesegang and M Wanner (2002) HERPETOLOGICAL JOURNAL. 12(2). p.45-54