Liu J X, Chen Z M, Yu J Q, Fei B R, Wang W D and Zhang J F 1998:
Effect of ammonium bicarbonate treatment and rapeseed meal supplementation on growth rate of Huzhou lambs receiving rice straw.
Livestock Research for Rural Development. Volume 10, Article #13.
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, from http://www.lrrd.org/lrrd10/2/liu102.htm