@article{journal,
author = {Ullastre, J. and Masriera, A.},
title = {Pedraforca: estratigraf{\'i}a y estructura (Pirineo catal{\'a}n, Espa{\~n}a)},
year = {2004},
volume = {12},
pages = {11--52},
journal = {Treballs del Museu de Geologia de Barcelona},
keywords = {Geological cartography, Stratigraphy, Cretaceous, Polyphase tectonics, Pyrenees, Catalonia, Spain}
}