1. Matusik J. // Записки Горного института. 2007. Том 170№ 2. C. 10-13.
1. Matusik J. Synthesis and characterization OF Ca, Pb, Zn, Cu and Cd chlorapatites and Pb-Cd chlorapatites solid solutions // Journal of Mining Institute. 2007. Том 170№ 2. C. 10-13.