1. Determination of total nitrogen ammonia;Balentine,1957
2. Energy and Protein Requirements;FAO/WHO,1973
3. A method for production of peptone from a keratin source;Gorjaev,1979
4. A method for production of protein hydrolyzate from a keratin-containing source;Krilova,1983
5. Multi-element analysis of animal tissue by inductively coupled plasma emission spectrometry;Lee;ICP Inform. Newsl.,1983