000 00289nam a2200109Ia 4500
001 120388
008 170722s9999 xx 000 0 und d
100 _aRyvkin, Soloman Meerovich
245 _aPhotoelectric effects in semi conductors tr by A Tybulewicz /
260 _c1964.
942 _cGEN
999 _c72277
_d72277