Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SASAKI K,"Pyrophanite and high Mn ilmenite discovered in the Cretaceous Tono pluton, NE Japan",N Jb Miner Mh,,,2003,2003,7,302-320,https://cir.nii.ac.jp/crid/1570291225660471040,