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6
(FIVE YEARS 2)
H-INDEX
2
(FIVE YEARS 0)
Keyword(s):
1986 ◽
Vol 20
(2)
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pp. 127-133
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Keyword(s):
1974 ◽
Vol 39
(1)
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pp. 663-668
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Keyword(s):
1959 ◽
Vol 105
(441)
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pp. 1119-1122
◽