Beltrán, R., Cebrián, N., Zornoza, C., Garmendia, A. and Merle, H. B. (2020) “Effect of freezing conservation time on loquat (Eriobotrya japonica) pollen germination”, Spanish Journal of Agricultural Research, 18(3), p. e0804. doi: 10.5424/sjar/2020183-16626.