Thanh V D, Preston T R and Leng R A 2011:
Effect on methane production of supplementing a basal substrate of molasses and cassava leaf meal with mangosteen peel (Garcinia mangostana) and urea or nitrate in an in vitro incubation.
Livestock Research for Rural Development. Volume 23, Article #98.
, from http://www.lrrd.org/lrrd23/4/than23098.htm