Biostratigraphie des lentilles à Pérégrinelles (brachiopodes) de l'Hauterivien de Rottier (Drôme, France).
1972. Géobios 5-1; pp. 5-53, 6 fig. 5 plts. h.t. (4 with ammonites, 1 with other molluscs). Orig. wrps. with libr. stamp, stapled extract, contents very good, 4to.