evolution continentale post-hercyienne du Sahara algérien
Subtitle: (Saoura, Erg, Chech-Tanezrouft, Ahnet-Mouydir).
Series: Série: Géologie -- no. 10.
Publisher: Centre Nationale de la Recherche Scientifique
Published: 1969
Place of publication: Paris
Language: fre
Notes: Maps in end pocket.