Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Li Daixin and YAMAGISHI Tada-aki and NAKAMOTO Yoshiaki,Synthesis of Methylene-bridged Cyclic Resorcinol Oligomer,"Journal of Network Polymer,Japan",13420577,Japan Thermosetting Plastics Industry Association,2002,23,3,134-141,https://cir.nii.ac.jp/crid/1390001205090128384,https://doi.org/10.11364/networkpolymer1996.23.134