000 00725 a2200217 4500
005 20250515083519.0
264 0 _c20100702
008 201007s 0 0 eng d
022 _a0036-8075
024 7 _a10.1126/science.225.4664.784-a
_2doi
040 _aNLM
_beng
_cNLM
100 1 _aHammel, E F
245 0 0 _aHelium policies.
_h[electronic resource]
260 _bScience (New York, N.Y.)
_cAug 1984
300 _a784-6 p.
_bdigital
500 _aPublication Type: Journal Article
700 1 _aKrupka, M C
700 1 _aWilliamson, K D
773 0 _tScience (New York, N.Y.)
_gvol. 225
_gno. 4664
_gp. 784-6
856 4 0 _uhttps://doi.org/10.1126/science.225.4664.784-a
_zAvailable from publisher's website
999 _c17329885
_d17329885