ROSA, S. D. V. F. DA; MAZZAFERA, P.; GUIMARÃES, R. M.; VEIGA, A. D.; VEIGA, A. D. Pre-imbibition: Effects in the germination, seedling growth and content of caffeine in coffee seeds (Coffea arabica L.). Coffee Science - ISSN 1984-3909, v. 2, n. 1, p. p. 69-78, 20 Dec. 2007.