... Bochum 7

Figures 6-15 are only available in electronic form at http://www.aanda.org

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... (CASLEO)

Operated under agreement between CONICET, SeCyT and the National Universities of La Plata, Córdoba and San Juan, Argentina.

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... IRAF

IRAF is distributed by NOAO, operated by AURA, Inc. under an agreement with NSF.

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