机读格式显示(MARC)

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• 001 0000571587

• 005 20191003193400.0

• 008 010318s1984 er nyu 000 0 eng d

• 035 __ |a (Sirsi) j594950

• 035 __ |a j594950

• 040 __ |a JLU |c JLU

• 090 __ |a F171.20/AO/V.74.2

• 093 __ |a F171.20 |2 5

• 099 __ |a CALB0220110070045m

• 100 1_ |a Ashenfelter,O. ed.

• 245 10 |a The American economic review. |n Vol.74 No.2 / |c Ashenfelter,O. ed.

• 260 __ |a Nashville : |b American Economic Asso, |c 1984.

• 300 __ |a v .: |b ill. ; |c 16 cm.

• 650 _0 |a United States |x Economic conditions.

• 920 __ |a 211180 |z 1