Problems of Cryobiology and Cryomedicine, E. B. “In Memoriam: David Pegg”. Problems of Cryobiology and Cryomedicine, vol. 29, no. 4, Dec. 2019, pp. 371-2, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1566.