Lee, T. Q. , C. S. Horng, and C. Laj (1991): Preliminary study of the upper Olduvai Transition from Madagita sedimentary sequence, Coastal Range, eastern Taiwan. 1991 IUGG, Vienne.

• 吕懿德；李德贵；陈文山；纪文荣；邓属予；吴清建(1991):林口-观音山地区古地磁及生物地层学之初步研究;1991中国地质学会年会；台北；中华民国.