Michigan catalogue for the HD starsNancy Houk, Anne P. Cowley, University of Michigan. Dept. of Astronomy · First published 2000Open the Tome
Michigan catalogue of two-dimensional spectral types for the HD starsNancy Houk · First published 1978Open the Tome
University of Michigan catalogue of two-dimensional spectral types for the HD starsNancy Houk · First published 1975Open the Tome
