Authors: Pennycooke, JC Towill, LE

Citation: Jc. Pennycooke et Le. Towill, Cryopreservation of shoot tips from in vitro plants of sweet potato [Ipomoea batatas (L.) Lam.] by vitrification, PL CELL REP, 19(7), 2000, pp. 733-737

Authors: Towill, LE Forsline, PL

Citation: Le. Towill et Pl. Forsline, Cryopreservation of sour cherry (Prunus cerasus L.) using a dormant vegetative bud method, CRYO-LETT, 20(4), 1999, pp. 215-222