Amerine, M.A., Winkler, A.J. (1944), Composition and quality of musts and wines of California grapes. Hilgardia (University of California), 15:493-673., ,
Termin:
biological zero of grapevine
Definicija:
Temperature around 10 ° C at which the grapevine begins to develop and depend on the grapevine cultivars