Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKADA M. and YAMADA T.,On flower bud differentiation and its development in amaryllis (Hippeastrum hybridum),Journal of the Japanese Society for Horticultural Science,00137626,THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE,1953,22,2,119-122,https://cir.nii.ac.jp/crid/1390001206302897408,https://doi.org/10.2503/jjshs.22.119