@article{oai:ir.kagoshima-u.ac.jp:00006953, author = {Mamaril-Diegor, E.J. and ママリルージゴル, E.J. and Tomita, K and 富田, 克利}, journal = {鹿児島大学理学部紀要. 地学・生物学, Report of the Faculty of Science, Kagoshima University. Earth sciences and biology}, month = {Dec}, pages = {11--22}, title = {MINERALOGICAL PROPERTIES OF BULALA FLINT CLAY, CAMARINES NORTE, PHILIPPINES}, volume = {22}, year = {1989} }