Nancy Houk

Michigan catalogue of two-dimensional spectral types for the HD stars

Nancy Houk, Anne P. Cowley, N. Houk, 1975 .

University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_f0.

Nancy Houk, Anne P. Cowley, N. Houk, 1975 .