by Kenichiro Aoki, Takeo Sato, Tsunehiko Takeuchi and Tatsuo TatsumiMining and Metallurgical Institute of Japan : Society of Mining Geologists of Japan : Mineralogical Society of Japan1970
organized by Japan Prestressed Concrete Engineering Association, Japan Concrete Institute[Congress Secretariat, Japan Prestressed Concrete Engineering Association][2002]<M18-B131>