Reference

Carmen Mariana Chira, Ramona Balc, Claudia Cetean, Doru Toader Juravle, Sorin Filipescu, Alin Igritan, Florin Florea, Mirela Violetta Popa (2009): Cretaceous/Paleogene boundary in north-eastern Romania – Berichte der Geologischen Bundesanstalt – 78: 8.