Gilbert, P., Fabry, L., Rollmann, B., Lombart, P., Rondelet, J., Poncelet, F., Leonard, A., & Mercier, M. (1981). Mutagenicity of N-nitrosodiethanolamine and its Acetyl Derivatives. Mutation Research, 89(3), 217-228. https://doi.org/10.1016/0165-1218(81)90240-8 (Original work published 1981)