Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) AZUMA Syunichirou and NAKAO Yasuo,Experimental Studies on Boundary between Concentrated and Diluted Sulfuric Acid on Chemical Reaction,CHEMISTRY & EDUCATION,03862151,The Chemical Society of Japan,2005,53,4,239-242,https://cir.nii.ac.jp/crid/1390282679284438656,https://doi.org/10.20665/kakyoshi.53.4_239