| Bulletin of the National Science Museum Series C (Geology & Paleontology) | date of publication | 
          
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            | Bulletin of the National Science Museum Series C (Geology & Paleontology) Volume 18 Number 2 | June 1992 | 
          
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                |  | Kazumi YOKOYAMA: | P.43 | 
              
                |  | K-Ar Ages of Metamorphic Rocks at the Top of Mt. Tanigawa-dake, Central Japan |  | 
              
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                |  | Satoshi MATSUBARA, Akira KATO: | P.49 | 
              
                |  | Chemical Compositions of Rhodonite, Bustamite and Mn-bearing Clinopyroxenes from Skarns in Japan |  | 
              
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                |  | Yoshiaki ISHIDA: | P.65 | 
              
                |  | Fossil Ophiuroids from the Oligocene Asagai Formation of lwaki, Fukushima, Japan |  |