Caulfield, H. J. Tribute to Joseph W. Goodman. SPIE Digital Library.
Lua i Stíl Chicago (17ú heag.)Caulfield, H. John. Tribute to Joseph W. Goodman. SPIE Digital Library.
Lua MLA (9ú heag.)Caulfield, H. John. Tribute to Joseph W. Goodman. SPIE Digital Library.
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