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Title: Is the flat spectrum double 1830-211 a result of gravitational lensing?
Authors: Swarup, G.
Subrahmanyan, Ravi
Narasimha, D.
Rao, A.P.
Issue Date: 1989
Publisher: Active galactic nuclei
Description: Restricted Access. An open-access version is available at (one of the alternative locations)
Copyright: 1989 IAU
Appears in Collections:Research Papers (A&A)

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