1. Middle Jurassic to Lower Cretaceous radiolarian biostratigraphy of Shikoku with reference to selected section in Lombardy Basin and Sicily;Aita;Sci. Rep. Tohoku Univ., Sendai, Second ser. (Geology),1987
2. A Middle Jurassic-Early Cretaceous low-latitude radiolarian zonation based on Unitary Associations and age of Tethyan radiolarites;Baumgartner;Eclogae Geologicae Helvetiae, Basel,1984
3. Age and genesis of Tethyan Jurassic Radiolarites;Baumgartner;Eclogae Geol. Helv.,1987
4. Correlation of Tethyan Late Jurassic-Early Cretaceous events;Baumgartner,1980
5. Etude ge´ologique de la re´gion des Madonies (Sicile);Broquet,1971