ology & evolution vol. 19 (10) pp. 516-22
8.^ Robertson et al. (2004) Survival in the first hours of the Cenozoic. Bulletin of the Geological Society of America
10.^ Bioluminescent Organisms
11.^ Whitcomb's Book, Searching For Ropens, Asserts Pterodactyl Reported In Papua New Guinea - EWORLDWIRE
12.^ Michael of Opai Village and the ropen light
13.^ What Happened to Pterosaurs page 2
14.^ Jim Blume's ropen investigations in Papua New Guinea
15.^ Flying Dinosaurs in Papua New Guinea
16.^ PSL Ropen Light Sighting by David Woetzel
17.^ Living Pterosaur Expedition of 2006
18.^ Analysis of the Ropen-light Video, pg-1
Credibility of the Umboi Island eyewitnesses
Indava and Ropen of Papua New Guinea
Live Pterosaurs and Evolution