... Netherlands

Present address: ESO, Alonso de Cordova 3107, Vitacura, Casilla 19001, Santiago 19, Chile.

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... (ATCA

The Australia Telescope is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO.

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... (VLA

The National Radio Astronomy Observatory (NRAO) is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

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