000 00289nam a2200121 4500
008 160616s 000 0
245 _aSupplement to Helium
100 _aLifschits, E.M
100 _aAndronikashvili, E.L
500 _aC4D2 K43-1
942 _cBK
_2BK8958
080 _a536.312 LIF
999 _c8958
_d8958