論文

• Asobo Nkengmatia Asaah, Tetsuya Yokoyama, Festus T. Aka, Hikaru Iwamori, Takeshi Kuritani, Tomohiro Usui, M. Gountie Dedzo, J. Tamen, T. Hasegawa, M.J. Wirmvem, A.L. Nche. Major/trace elements and Sr–Nd–Pb isotope systematics of lavas from lakes Barombi Mbo and Barombi Koto in the Kumba graben, Cameroon volcanic line: Constraints on petrogenesis, Journal of African Earth Sciences, Jan. 2020.  公式リンク  
  
• Aka, Festus Tongwa, Hasegawa, Takeshi, Nche, Linus Anye, Asobo Nkengmatia Asaah, Mimba, Mumbfu Ernestine, Teitchou, Isidore, Ngwa, Caroline, Miyabuchi, Yasuo, Kobayashi, Tetsuo, Kankeu, Boniface, Tetsuya Yokoyama, Tanyileke, Gregory, Ohba, Takeshi, Hell, Joseph Victor, Kusakabe, Minoru. Upper Triassic mafic dykes of Lake Nyos, Cameroon (West Africa) I: K-Ar age evidence within the context of Cameroon Line magmatism, and the tectonic significance, Journal of African Earth Sciences, Vol. 141, pp. 49-59, Feb. 2018.  公式リンク  
  
• Asobo Nkengmatia Asaah, Tetsuya Yokoyama, Aka, Festus T., Tomohiro Usui, Takeshi Kuritani, Wirmvem, Mengnjo J., Hikaru Iwamori, Fozing, Eric M., Tamen, Jules, Mofor, Gilbert Z., Takeshi OHBA, Tanyileke, Gregory, Hell, J. V.. Geochemistry of lavas from maar-bearing volcanoes in the Oku Volcanic Group of the Cameroon Volcanic Line, Chemical Geology, Vol. 406, pp. 55-69, 2015.  公式リンク  
  
• Asobo Nkengmatia Asaah, Tetsuya Yokoyama, Aka, Festus T., Tomohiro Usui, Wirmvem, Mengnjo J., Tchamabe, Boris Chako, Takeshi OHBA, Tanyileke, Gregory, Hell, J. V.. A comparative review of petrogenetic processes beneath the Cameroon Volcanic Line: Geochemical constraints, Geoscience Frontiers, Vol. 6, No. 4, pp. 557-570, 2015.  公式リンク  
  

学位論文

• Petrogenesis of Volcanic Rocks along the Cameroon Volcanic Line: Case of the Oku Volcanic Group, North West Cameroon, Central Africa,  Outline,  博士（理学）,  Tokyo Institute of Technology,  2015/03/26,   
• Petrogenesis of Volcanic Rocks along the Cameroon Volcanic Line: Case of the Oku Volcanic Group, North West Cameroon, Central Africa,  Exam Summary,  博士（理学）,  Tokyo Institute of Technology,  2015/03/26,   
• Petrogenesis of Volcanic Rocks along the Cameroon Volcanic Line: Case of the Oku Volcanic Group, North West Cameroon, Central Africa,  Thesis,  Doctor (Science),  Tokyo Institute of Technology,  2015/03/26, 
• Petrogenesis of Volcanic Rocks along the Cameroon Volcanic Line: Case of the Oku Volcanic Group, North West Cameroon, Central Africa,  Summary,  博士（理学）,  Tokyo Institute of Technology,  2015/03/26,   

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