Sabo, S. (1977). 1977, Dr. Konstantin Frank at Dr. Konstantin Frank Wine Cellars (1–). https://oaks.kent.edu/node/3464
Sabo, Stephan. 1977. “1977, Dr. Konstantin Frank at Dr. Konstantin Frank Wine Cellars”. https://oaks.kent.edu/node/3464.
Sabo, Stephan. 1977, Dr. Konstantin Frank at Dr. Konstantin Frank Wine Cellars. 15 Oct. 1977, https://oaks.kent.edu/node/3464.
Image courtesy of Markko Vineyard.