Gurmu E. B., Ndung'u P. W., Wilkes A., Getahun D., Graham M. W., Leitner S. M., Marquardt S., Mulat D. G., Merbold L., Worku T., Kagai J. G., Arndt C.

Comparison of Tier 1 and 2 methodologies for estimating intake and enteric methane emission factors from smallholder cattle systems in Africa: A case study from Ethiopia.