International stratigraphic guide :
International stratigraphic guide : A guide to stratigraphic classification, terminology and procedure /
By international subcommission on stratigraphic classification of iugs commission on stratigraphy ; hollis d. hedberg, editor
- 200 páginas
0471367435
Estratigrafía
QE651 / I57 1976
0471367435
Estratigrafía
QE651 / I57 1976