Bennett, S. Christopher; Penkalski, Paul (2018). "Waves of bone deposition on the rostrum of the pterosaur Pteranodon". Geological Society, London, Special Publications. 455 (1): 69–81. Bibcode:2018GSLSP.455...69B. doi:10.1144/sp455.2. S2CID133248972.
Bennett, S. Christopher; Penkalski, Paul (2018). "Waves of bone deposition on the rostrum of the pterosaur Pteranodon". Geological Society, London, Special Publications. 455 (1): 69–81. Bibcode:2018GSLSP.455...69B. doi:10.1144/sp455.2. S2CID133248972.
Bennett, S. Christopher; Penkalski, Paul (2018). "Waves of bone deposition on the rostrum of the pterosaur Pteranodon". Geological Society, London, Special Publications. 455 (1): 69–81. Bibcode:2018GSLSP.455...69B. doi:10.1144/sp455.2. S2CID133248972.