Помогите, пожалуйста, добыть три статьи:
1.
Spectral-luminescence properties of some 2,5-dihydroxy-1,4-di(azol-2-yl)benzenes
E. M. Vernigor, E. A. Luk'yanets, L. P. Savvina and V. K. Shalaev
Chemistry of Heterocyclic Compounds
Volume 29, Number 2, 212-215
- DOI:
http://dx.doi.org/10.1007/BF00531668
Spectroscopic studies of some laser dyes
T. G. Pavlopoulos, P. R. Hammond
J. Am. Chem. Soc., 1974, 96 (21), pp 6568–6579
- DOI:
http://dx.doi.org/10.1021/ja00828a005
Derek Walker, Thomas D. Waugh
Journal of Heterocyclic Chemistry
Volume 1, Issue 2 p 72-73 April 1964
- DOI:
http://dx.doi.org/10.1002/jhet.5570010203