"GLOSSARY G". www2.estrellamountain.edu. Archived from the original on 2022-06-14. Retrieved 2019-11-09.
fao.org
Hiemstra, Sipke Joost; van der Lende, Tette; Woelders, Henri; Panis, Bart; Lambardi, Maurizio (2006). Ruane, John; Sonnino, Andrea (eds.). "II. Use of cryopreservation and reproductive technologies for conservation of genetic resources". The Role of Biotechnology in Exploring and Protecting Agricultural Genetic Resources. Food and Agriculture Organization of the United Nations. Archived from the original on 2022-05-03. Retrieved 2020-04-15.
Hiemstra, Sipke Joost; van der Lende, Tette; Woelders, Henri; Panis, Bart; Lambardi, Maurizio (2006). Ruane, John; Sonnino, Andrea (eds.). "II. Use of cryopreservation and reproductive technologies for conservation of genetic resources". The Role of Biotechnology in Exploring and Protecting Agricultural Genetic Resources. Food and Agriculture Organization of the United Nations. Archived from the original on 2022-05-03. Retrieved 2020-04-15.