Fitzmaurice, Jonathan C.; Parkin, Ivan P.; Rowley, Adrian T. Metathesis routes to lanthanide pnictides. Journal of Materials Chemistry (1994), 4(2), 285-289. doi:10.1039/jm9940400285.
Shirotani, Ichimin; Yamanashi, Keigo; Hayashi, Junichi; Tanaka, Yuu; Ishimatsu, Naoki; Shimomura, Osamu; Kikegawa, Takumi. Phase transitions of LnAs (Ln = Pr, Nd, Sm, Gd, Dy and Ho) with NaCl-type structure at high pressures. Journal of Physics: Condensed Matter (2001), 13(9), 1939-1946. doi:10.1088/0953-8984/13/9/316.