40556 | SCHNEIDER, A.; RUFFA, P.; RAIMONDI, S. | Avarengo | Italian Vitis Database | 2013 | |
571 | SCHNEIDER, A.; MANNINI, F. | Vitigni del Piemonte. Varietà et Cloni | Regione Piemonte, I-Torino | 2006 | 155, fig. |
760 | ROBINSON, JANCIS; HARDING, JULIA; VOUILLAMOZ, JOSÉ | Wine grapes. A complete guide to 1.368 vine varieties, including their origins and flavours | Penguin Books Ltd. | 2012 | 69 |