1. Official methods of analysis (952.20). Cobalamin (vitamin B12 activity,1960
2. Official methods of analysis (979.06). Carbohydrate content in beer,1980
3. Official Methods of Analysis (968.08). Theobromine and Caffeine in Cacao Products,1981
4. Official methods of analysis (985.29,1986
5. Official methods of analysis (968.08,1996