Kwon D. S., Kim S. H., Jeon H. K., Kim S. H., Seo C. H., 2012, A Study on the Characteristic
of Lightweight Aggregate Concrete in Before and After Pressurization by the Amount
of Contained Water in Lightweight Aggregate, Journal of the Architectural Institute
of Korea Structure & Construction, Vol. 28, No. 8, pp. 121-128. (In Korean)