TY  - SER
AU  - Javier Alvaro,José
AU  - Vizcaïno,Daniel
TI  - Biostratigraphic significance and environmental setting of the trace fossil Psammichnites in the Lower Cambrian of the Montagne Noire, France
SN  - 00379409
N1  - bibliogr. p. 827-828
ER  -