1.
Achieving Sustainable Cultivation of Potatoes Volume 1 : Breeding, Nutritional and Sensory Q...
by Wang-Pruski, Gefu, Bethke, ...
ISBN: 9781786761002
2.
Flora Mesoamericana : Volumen 5, Parte 2: Asteraceae
by Pruski, John, Robinson, Harold
ISBN: 9780915279982