[1]
PULIDO, R., CERDA, M. and STEHR, W. 1999. Effect of level and type of concentrate supplementation on the performance of spring grazing dairy cows. Archivos de Medicina Veterinaria. 31, 2 (Dec. 1999), 177–187. DOI:https://doi.org/10.4067/S0301-732X1999000200004.