citation
Sanchez, D.F.; Panta, A.; Tay, D.; Roca, W. 2011. Cryopreservation of ulluco (Ullucus tuberosus Cal.) and oca (Oxalis tuberosa Mol.) shoot tips using the PVS2 droplet-vitrification method. In: Panis, B.; Lynch, P. (eds). Proceedings. 1. International Symposium on Cryopreservation in Horticultural Species. Leuven (Belgium). 05-08 Apr 2009. Bologna (Italy). International Society for Horticultural Science (ISHS). ISBN 978-90-66054-70-7. pp. 339-346. Acta Horticulturae. ISSN 0567-7572. no. 908.
