Document Type

Article

Publication Date

1-1-1972

El1972 Frequencies.spv (218 kB)
SPSS system file (Visitors will need the SPSS software to open this file.)

El1972.sav (224 kB)
SPSS system file (Visitors will need the SPSS software to open this file.)

Date Deposited

6-24-2014

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