@article{journal,
author = {Ullastre, J. and Masriera, A.},
title = {An{\'a}lisis estratigr{\'a}fico del Pale{\'o}geno del sinclinal de Trag{\'o} de Noguera: su importancia en la geolog{\'i}a regional (Pirineo catalano-aragon{\'e}s, Espa{\~n}a)},
year = {1999},
volume = {8},
pages = {85--111},
journal = {Treballs del Museu de Geologia de Barcelona},
keywords = {Pyrenees, Spain, Charophytes, Maastrichtian, Paleogene, Paleogeography, Tectonics}
}