000 00306nam a2200121 4500
008 160616s 000 0
245 _aHelium 3 Helium 4
100 _aKeller, William E
440 _aInternational cryogenics monograph series
500 _aC4D1 K9
942 _cBK
_2BK8939
080 _a536.48 KEL
999 _c8939
_d8939