The Chirapaq Ñan Initiative: Establishment of a long-term on-farm monitoring network for potato landrace diversity - Haan, Stef de; Polreich, S.; Juarez, H.; Rodríguez, F.; Ccanto, Raul I.; Álvarez, C.; Pinto, M.; Moreira, S.; Venegas, C.; Kalazich, J. (2014)