Academy of Sciences of the U S S R
IXth International Conference on the Physics of Semiconductors Moscow July 23 to 29 1968 Proceedings Vol - I - Leningrad PUBLISHING HOUSE NAUKA 1968 - 635
IXth International Conference on the Physics of Semiconductors Moscow July 23 to 29 1968 Proceedings Vol - I - Leningrad PUBLISHING HOUSE NAUKA 1968 - 635