Using the quick search there are shown up to three reports about Supermassive black holes:
"They evolved in lockstep," said The University of Texas at Austin's John Kormendy, who co-authored the research with Ralf Bender of Germany's Max-Planck-Institute for Extraterrest...
Physik Astronomie |Scientists from the University of Michigan, the Max-Planck Institute for Extraterrestrial Physics in Germany, the University of Maryland, Baltimore County (UMBC), the Harvard-Smithsonian Center for As...
Physik Astronomie |Using the fulltext-search for the word Supermassive black holes you can set up serveral searching-options > choose search options