Merrill, A.L. and Watt, B.K. 1973. Energy Value of Foods...Basis and Derivation. Agriculture Handbook No. 74. U.S. Government Printing Office. Washington, DC. Indscannet kopi herArkiveret 29. september 2012 hos Wayback Machine
web.archive.org
Merrill, A.L. and Watt, B.K. 1973. Energy Value of Foods...Basis and Derivation. Agriculture Handbook No. 74. U.S. Government Printing Office. Washington, DC. Indscannet kopi herArkiveret 29. september 2012 hos Wayback Machine