García Olmedo, Francisco and Rodriguez Palenzuela, Pablo and Hernandez Lucas, Carlos and Ponz Ascaso, Fernando and Maraña, Carmen and Carmona Quiles, Maria Jose and Lopez Fando, J.J. and Fernandez, Jose A. and Carbonero Zalduegui, Pilar (1989). The thionins: a protein family that includes purothionins, viscotoxins and crambins. In: "Oxford Surveys of Plant Molecular and Cell Biology". Oxford University Press, UK, pp. 31-60.