TY  - BOOK
AU  -  SHVARTS, K. K.;  TUCHKEVICH, M. V.;  SHVARTS, K.K.
TI  -  Defects in insulating Crystals - Proceedings of the International Conference Riga, May 18-23, 1981
CY  -  Berlin;  New-York
AV  -  III 8990
ER  -