This report illustrates the contribution of laser spectroscopy to our knowledge about variations of nuclear charge radii in long isotopic and isotonic chains comprising stable and short lived isotopes. The recent results obtained experimentally in the Flerov Laboratory of Nuclear Reactions, JINR, Dubna, are presented and discussed. (author). 32 refs.; 9 figs.
Anastasov, A; Gangrskij, Yu P; Markov, B N; Zemlyanoj, S G;  Marinova, K P; Nadzhakov, E G;  Kul`dzhanov, B K 
- Joint Inst. for Nuclear Research, Dubna (Russian Federation). Lab. of Nuclear Reactions
- Sofia Univ. (Bulgaria). Fizicheski Fakultet
- AN Uzbekskoj SSR, Tashkent (Uzbekistan). Inst. Yadernoj Fiziki