Electronic Resource
Chankova, S.
;
Vinarova, K.
;
Nikolov, S.
;
[et al.]
Mechandgiev, A.
;
Angelov, D.
;
Keskinova, E.
;
Sergeeva, S.
;
Ptitsina, S.
;
Syomov, A.
;
Shevchenko, V.
Amsterdam
:
Elsevier
Mutation Research/Environmental Mutagenesis and Related Subjects
216 (1989), S. 292