Contains the keyword 148

Sigurdsen T, Bolt JR. The lissamphibian humerus and elbow joint, and the origins of modern amphibians. Journal of Morphology. 2009;270:1443-53. Abstract
Carroll RL. The Palaeozoic ancestry of salamanders, frogs, and caecilians. Zoological Journal of the Linnean Society. 2007;150 Suppl.:1-140. Abstract
Ruta M, Coates MI, Quicke DL. Early tetrapod relationships revisited. Biological Reviews of the Cambridge Philosophical Society. 2003;78:251-345. Abstract