Evaluation of the captive breeding potential of selected reptile taxa included in appendices I and II at CITES CoP18 : results of the identical F+E-project (FKZ: 3520 53 2054) / Christian Langner, Beate Pfau, Marta Bernardes, Uwe Gerlach, Felix Hulbert, Mona van Schingen-Khan, Ulrich Schepp, Clara Arranz, Mario Riedling, Axel Kwet ; BfN, Federal Agency for Nature Conservation