1. Al-Sahal AA 2003 Safety and quality assessment of beef exposed to low levels of ammonia [PhD dissertation]. Manhattan, KS: Kansas State Univ. p169
2. Examination of some brewing materials and caramels for the possible occurrence of 4-methylimidazole;Buckee;J Inst Brew,1978
3. Gas chromatographic-mass spectrometric quantification of 4(5)-methylimidazole in roasted coffee after ion-pair extraction;Casal;J Chromatogr A,2002
4. CFR 2013 Code of Federal Regulations: Title 21, Food and Drugs; chapter I, Food and Drug Administration, Department of Health and Human Services; subchapter B, Food for Human Consumption General; subpart B, Multiple Purpose GRAS Food Substances; sec http://www.gpo.gov