Authors: SEARS RL SOWELL JR

Citation: Rl. Sears et Jr. Sowell, SPECTRAL CLASSIFICATION OF PHOTOMETRIC SUBGIANTS IN OPEN CLUSTERS, The Astronomical journal, 113(3), 1997, pp. 1039-1044

Authors: MACALPINE GM LAWRENCE SS SEARS RL SOSIN MS HENRY RBC

Citation: Gm. Macalpine et al., NITROGEN-RICH AND SULFUR-RICH GAS IN THE CRAB-NEBULA, The Astrophysical journal, 463(2), 1996, pp. 650-655