...ález¹

Astrofísica, INAOE, Luis Enrrique Erro 1. Tonantzintla, Puebla 72840. México.

... Yuen²

Department of Physics and Astronomy, University of Massachusetts at Amherst.

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... speed³

The mapping speed is measured in $\frac{arcmin^2}{Hour \times mJy^2}$

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1999-01-20