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@ ‘ผ‚ฬ„Œv CIA„Œv
@ „ŒvŽา ฌ’ท—ฆ ฌ’ท—ฆ
1951-55 Bergson 7.6 5.5
1951-61 M. and P. 7.4 5.7
1951-65 Kaplan 6.3 5.5
1951-69 Cohn 5.5 5.3
1956-75 Lee 7.7 5.0
1959-64 Becker 5.8 4.8


oŠF‚i‚d‚bi1982,p.26jD‚ฝ‚พ‚ตAM.and P.‚อAMoorsteen and Powell.