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 "Perez, Cirilo B. and Villanueva, L. Estrella",Bibliography on mines and mining in the philippines,,Buleau of Science,1937,Bibliographic contributions,,,,https://cir.nii.ac.jp/crid/1130000794535395840