1. Salikhov K.M., Semenov A.G., Tsvetkov Yu.D.: Electron Spin Echo and Its Application. Novosibirsk: Nauka 1976.
2. Salikhov K.M., Dzuba S.A., Raitsimring A.M.: J. Magn. Reson.42, 255–276 (1971)
3. Raitsimring A.M., Salikhov K.M.: Bull. Magn. Reson.7, 184–217 (1985)
4. Tsvetkov Yu.D. in: Pulsed EPR: A New Field of Applications (Keijzers C.P., Reijerse E.J., Schmidt J., eds.), pp. 206–218. Amsterdam: North-Holland 1989.
5. Milov A.D., Maryasov A.G., Tsvetkov Yu.D.: Appl. Magn. Reson.15, 107 (1998)