by Ribarova, F, Shishkov, S, B"klova, I, Georgieva, N. (Natsionalen Tsent"r po Khigiena i Meditsinska Ekologiya, Sofia (Bulgaria))
Published in Khranitelna Promishlenost (Bulgaria) (1992)

by B"klova, I, Peshevska, M, Petrova, S. (Institut po Gastroenterologiya i Khranene, Sofia (Bulgaria))
Published in Khranitelnopromishlena Nauka (Bulgaria) (1986)

by B"klova, I, Petrova, S. (Institut po Gastroenterologiya i Khranene, Sofia (Bulgaria))
Published in Khranitelnopromishlena Nauka (Bulgaria) (1986)

by Yurukov, Kh, Tsanev, R, Mechkueva, L, B"klova, I, Peshevska, M. (Nauchen Institut po Gastroenterologiya i Khranene, Sofia (Bulgaria))
Published in Khranitelna Promishlenost (Bulgaria) (1988)

by Georgieva, N, Parlapanova, M, Tsanev, R, Peshevska, M, Ribarova, F, B"klova, I. (Tsent"r po Khigiena i Meditsinska Ekologiya, Sofia (Bulgaria))
Published in Khranitelna Promishlenost (Bulgaria) (1992)

by Enikova, R, B"klova, I, Kozareva, M, Ribarova, F, Petrova, S, Peshevska, M, Zakhariev, I, Shishkov, S. (Institut po Gastroenterologiya i Khranene, Sofia (Bulgaria))
Published in Khranitelnopromishlena Nauka (Bulgaria) (1986)