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List of works by Randy Phelps

A quarter century of psychological practice in mental health and health care: 1990-2016.

scientific article

The Extragalactic Distance Scale Key Project. V. Photometry of the Brightest Stars in M100 and the Calibration of WFPC2 ⬇️

scientific article published in the Astrophysical Journal

The Extragalactic Distance Scale Key Project. VIII. The Discovery of Cepheids and a New Distance to NGC 3621 Using theHubbleSpaceTelescope ⬇️

scientific article published in the Astrophysical Journal

The Extragalactic Distance Scale Key Project. XVI. Cepheid Variables in an Inner Field of M101 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Extragalactic Distance Scale Key Project. IX. The Discovery of Cepheids in NGC 2090 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Extragalactic Distance Scale Key Project. VII. The Discovery of Cepheids in the Leo I Group Galaxy NGC 3351 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Extragalactic Distance Scale Key Project. X. The Cepheid Distance to NGC 7331 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XI. The Cepheids in NGC 4414 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XII. The Discovery of Cepheids and a New Distance to NGC 2541 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIII. The Metallicity Dependence of the Cepheid Distance Scale ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XVII. The Cepheid Distance to NGC 4725 ⬇️

scientific article published in the Astrophysical Journal

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XX. The Discovery of Cepheids in the Virgo Cluster Galaxy NGC 4548 ⬇️

scientific article published in the Astrophysical Journal

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