著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Piña Chan, Román and Navarrette, Carlos","Archeological research in the lower Grijalva River region, Tabasco and Chiapas",,"New World Archaeological Foundation, Brigham Young University",1967,Papers of the New World Archaeological Foundation,,,,https://cir.nii.ac.jp/crid/1130000795841544832