Butler, C., & Wayman, P. (1969). Notes from observatories: Use of an objective grating with iris diaphragm photometry. Repr. from The Observatory.
MLA CitationButler, C.J, and P.A Wayman. Notes from Observatories: Use of an Objective Grating with Iris Diaphragm Photometry. Repr. from The Observatory, 1969.
Warning: These citations have been automatically generated and may not always be 100% accurate..