скачайте, будьте добры вот это
"Bond Ellipticity as a Measure of Electron Delocalization in Structure and Reactivity"
Authors: Silva Lopez, Carlos; R. de Lera, Angel
Current Organic Chemistry, Volume 15, Number 20, October 2011 , pp. 3576-3593(18)
- DOI:
http://dx.doi.org/10.2174/138527211797636228
