Hanry Rowland and astronomical spectroscopy celebration of the 100th anniversary of Henry Rowland's introduction of the concave diffraction grating ; proceedings of a Symposium held in the Department of Physics and Astronomy, the Johns Hopkins Univ., Baltimore, 14 June 1984 (Pergamon Pr., 1986)
In: Vistas in astronomy. Vol. 29, Pt. 2, 1986