1988年
Breeding of Plum-mume Parental Lines 'PM-1-1' and 'PM-1-4' , Interspecific Hybrids of Japanese Plum (Prunus salicina Lindl) and Mume (P.mume Sieb. et Zucc.)
Kajushikenjou Houkoku (Bulletin of the Fruit Tree Research Station) A No.15, pp.1-10, (in Japanese) (Mar. 1988)