Phuong L T B, Khang D N, Preston T R and Leng R A 2012:
Mitigating methane production from ruminants; effect of supplementary sulphate and nitrate on methane production in an in vitro incubation using molasses and cassava leaf meal as substrate.
Livestock Research for Rural Development. Volume 24, Article #18.
, from http://www.lrrd.org/lrrd24/1/phuo24018.htm