Sakagami Sumio

Bryozoa Of Akiyoshi Part.1 Permian Bryozoa From The Shigeyasu Quarry - Reprinted From The Bulletin Of The Akiyoshi-Dai Science Museum N°3.

Contributions To The Geology And Palaeontology Of Southeast Asia Xxxiv On The Paleozoic Bryozoa Collected By R.D.Stewart Near Petchabun Thailand - Reprinted From Geology And Palaeontology Of Southeast(...)

Bryozoa Of Akiyoshi Part 2 Lower Carboniferous Bryozoa From The Uzura Quarry - Extrait Trans.Proc.Palaeont.Soc.Japan N.S. N°56 1964.