Nitrosamines and their precursors in some Estonian foodstuffsKann, Jüri; Tauts, Olev; Raja, Kristi; Kalve, RaivoEnvironmental N-nitroso compounds analysis and formation : proceedings of a working conference held at the Polytechnical Institute, Tallinn, Estonian SSR, 1-3 Oct. 19751976 / p. 385-394 Potential formation of N-nitrosamines in the course of technological processing of some foodstuffsKann, Jüri; Tauts, Olev; Kalve, Raivo; Bogovski, PavelN-nitroso compounds : analysis, formation and occurrence : proceedings of the 6 th International Symposium on N-Nitroso compounds held in Budapest, 16-20 October 19791980 / p. 319-327 Volatile and non-volatile N-nitroso compounds in foods and other environmental mediaEisenbrand, G.; Spiegelhalder, B.; Janzowski, C.; Kann, Jüri; Preussmann, R.Environmental aspects of N-Nitroso compounds : proceedings of a working conference held at the New England Center for Continuing Education, University of New Hampshire, Durham, New Hampshire, USA, 22-24 August 19771978 / p. 311-324