Помогите, пожалуйста, со статьями:
1) Journal of Physical Organic Chemistry, 1989, Volume 2, Issue 2, pages 161–176
Theoretical studies of the singlet and triplet potential energy surfaces of cyclobutanediyl
Julianto Pranata, Dennis A. Dougherty
- DOI:
http://dx.doi.org/10.1002/poc.610020208
Preparation and Structure Investigations of Simple Bicyclo[1.1.0]butanones
A. Rauk, T. S. Sorensen, F. Sun
- DOI:
http://dx.doi.org/10.1021/ja00121a009