Plain text, RIS, BibTex Journal Articles by P. Held I. Němec, I. Matulková, P. Held, J. Kroupa, P. Němec, D. Li, L. Bohatý, and P. Becker, Crystal growth, crystal structure, vibrational spectroscopy, linear and nonlinear optical properties of guanidinium phosphates Optical Materials, 69, 2017 DOI, BibTeX