Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAGAYAMA Isao and WATANABE Kazuo and NISHIZAWA Kentaro,An Experimental Study on Mechanical Properties of Extremely Lean Concrete,Journal of Japan Society of Dam Engineers,0917-3145,Japan Society of Dam Engineers,1997,7,4,210-216,https://cir.nii.ac.jp/crid/1390282679358972800,https://doi.org/10.11315/jsde1991.7.210