Unknown. Headshot of Dr. Harold A. Vincent, Assistant Professor of Physics at Xavier University of Louisiana.
Čikaški stil citiranja (17. izdanje)Unknown. Headshot of Dr. Harold A. Vincent, Assistant Professor of Physics at Xavier University of Louisiana.
MLA način citiranja (8. izdanje)Unknown. Headshot of Dr. Harold A. Vincent, Assistant Professor of Physics at Xavier University of Louisiana.
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