Arias L, López M, Losada H, Cortés J, Vieyra J, Soriano R and Grande D 2002: A note on the effect of
molasses/urea lick blocks on the production of milk and corporal conformation
of dairy cows maintained in the urban environments of Iztapalapa, Mexico City: A case study.
Livestock
Research for Rural Development. Volume 14, Article #63.
Retrieved ,
from http://www.lrrd.org/lrrd14/6/aria146.htm