Ginter, M. & Liao, J.-C. & Valenzuela-Ríos, J.I. (2008)
New data on chondrichthyan microremains from the Givetian of the Renanué section in the Aragonian Pyrenees (Spain). Acta Geologica Polonica, 58(2), 165–172

Liao, J.-C. & Ginter, M. & Valenzuela-Ríos, J.I. (2007)
Chondrichthyan microremains from the Givetian of the Aragonian Pyrenees (Spain). Bulletin de la Société géologique de France, 178, 171–178
DOI: 10.2113/​gssgfbull.178.3.171