10.4k citations · 158.2k across the 789 of their papers we have counts for
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astro-ph1997★ 4 cited
The ROSAT Deep Survey II. Optical identification, photomettry and spectra of sources in the Lockman field
Maarten Schmidt, Guenther Hasinger, James Gunn +7
The ROSAT Deep Survey includes a complete sample of 50 X-ray sources with fluxes in the keV band larger than 5.5 erg cm s in the Lockman field (H…
astro-ph1997★ 20 cited
A Study of Quasar Clustering at z>2.7 from the Palomar Transit Grism Survey
Andrew W. Stephens, Donald P. Schneider, Maarten Schmidt +2
The quest for structure indicators at earlier and earlier times in the evolution of the universe has led to the search for objects with ever higher redshifts. The Palomar Transit G…