C.D.S. - SIMBAD4 rel 1.8 - 2024.05.20CEST08:13:03 Reference query: 1988PASJ...40..139N (1 found) ---------------------------------------------- 1988PASJ...40..139N Publ. Astron. Soc. Jap., 40, 139-145 (1988) H2O maser emission in the galaxies M 51 and NGC 253. NAKAI N. and KASUGA T. -Simbad objects: 13