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Astron. Astrophys. 362, 27-41 (2000) AcknowledgementsWe thank Divya Oberoi, and all the observers at Ooty, particularly Ravi Kumar, Magesh and Raghunathan, for their help during the observations, and Pradeep Gothoskar and P.K. Manoharan for numerous discussions to clarify the finer points of IPS. We thank an anonymous referee, Pradeep Gothoskar, V. K. Kulkarni and P. K. Manoharan for their valuable comments on the manuscript. We have made use of the NASA/IPAC Extragalactic Database, operated by the Jet Propulsion Laboratory, California Institute of Technology under contract with NASA. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 2000 Online publication: October 30, 19100 ![]() |