Rowley, Adrian T.; Parkin, Ivan P. (1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry (Royal Society of Chemistry (RSC)) 3 (7): 689. doi:10.1039/jm9930300689. பன்னாட்டுத் தர தொடர் எண்:0959-9428.
Rowley, Adrian T.; Parkin, Ivan P. (1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry (Royal Society of Chemistry (RSC)) 3 (7): 689. doi:10.1039/jm9930300689. பன்னாட்டுத் தர தொடர் எண்:0959-9428.