[1]
G. Castillo-Badilla, M. Salazar-Carranza, J. Murillo-Herrera, and J. J. Romero-Zúñiga, “Effect of age at first calving on productive parameters in Costa Rican Jersey cows”., Agron. Mesoam., vol. 24, no. 1, pp. 177–187, May 2013.