Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MENGEL K.,Pre- and postharvest calcium treatment of apple fruit and its effect on quality,"""International symposium on foliar nutrition of perennial fruit plants"" Book of abstracts, 2001",,,2001,,,,https://cir.nii.ac.jp/crid/1574231875217845504,