(1)
Phuong, D. T. T.; Minh, N. V.; Dung, C. T. Structural and Optical Properties of Samples SrTi\(_{1-x}\)M\(_{x}\)O\(_3\) (M = Co, Ni) Synthesized by Sol-Gel Method. Comm. Phys. 2013, 23, 263.