Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NINOMIYA Akio,"Developing a Method of Observation Concerning Formation of Precipitation by Reaction of Carbon Dioxide, Ammonia, Hydrogen Chloride with a Metal Ion Solution using a CCD Camera",Journal of Science Education in Japan,03864553,Japan Society for Science Education,2011,35,4,294-299,https://cir.nii.ac.jp/crid/1390001205750338688,https://doi.org/10.14935/jssej.35.294