@article{article564f7749,
title   = {Permian bivalve molluscs from the Gai-As Formation, northern Namibia: systematics, taphonomy and biostratigraphy},
author = {David, Juliana M. and Simões, Marcello Guimarães and Anelli, Luiz Eduardo and Rohn, Rosemarie and Holzfoerster, Frank},
year = {2011},
doi = {10.1080/03115518.2011.538908},
journal   = {Alcheringa}
}