Authors:
Lehmann, I
Hasinger, G
Schmidt, M
Gunn, JE
Schneider, DP
Giacconi, R
McCaughrean, M
Trumper, J
Zamorani, G
Citation: I. Lehmann et al., The ROSAT deep survey III. Optical spectral properties of X-ray sources inthe Lockman hole, ASTRON ASTR, 354(1), 2000, pp. 35-54
Authors:
Stauffer, JR
Navascues, DBY
Bouvier, J
Morrison, HL
Harding, P
Luhman, KL
Stanke, T
McCaughrean, M
Terndrup, DM
Allen, L
Assoaud, P
Citation: Jr. Stauffer et al., Keck spectra of brown dwarf candidates and a precise determination of the lithium depletion boundary in the alpha Persei open cluster, ASTROPHYS J, 527(1), 1999, pp. 219-229