Analysis of Topology of the COBE-DMR First Year Maps ADS Classic is now deprecated. It will be completely retired in October 2019. This page will automatically redirect to the new ADS interface at that point. SAO/NASA ADS Astronomy Abstract Service Astro. Lett. and Communications, 1995, Vol. 32, pp. 95—103 © 1995 OPA (Overseas Publishers Association) Reprints available directly from the publisher Amsterdam BY. Published under license by Photocopying permitted by license only Gordon and Breach Science Publishers SA Printed in Malaysia