Retamal et al., 1987. J. Sci. Food. Agric., 38(4):303-311

Retamal, N.; Durán, J. N.; Fernández, J., 1987. Seasonal variations of chemical composition in prickly pear (Opuntia ficus-indica (L.) Miller). J. Sci. Food. Agric., 38(4):303-311