Maul, E.; Eibach, R. Vitis International Variety Catalogue. Bonn, Germany: Information and Coordination Centre for Biological Diversity (IBV) of the Federal Agency for Agriculture and Food (BLE). June 1990 [2007-04-30]. (原始内容存档于2012-04-14).
Maul, E.; Eibach, R. Vitis International Variety Catalogue. Bonn, Germany: Information and Coordination Centre for Biological Diversity (IBV) of the Federal Agency for Agriculture and Food (BLE). June 1990 [2007-04-30]. (原始内容存档于2012-04-14).