000 00287nam a2200121 4500
008 160616s 000 0
245 _aKey problems of physics and astronomy
100 _aGinzburg, V.I.
500 _aB9 L6
942 _cBK
_2BK10051
080 _a523 GIN
080 _a523 GIN
999 _c10051
_d10051