Помогите, пожалуйста, со статьей:
Synthesis and evaluation of extraction ability of calix[4]-crown-6 cone conformer and its oligomeric analogue
Mustafa Tabakcia, Shahabuddin Memonb, Mustafa Yilmaza, D. Max Roundhillb
Reactive and Functional Polymers
Volume 58, Issue 1, January 2004, Pages 27-34
Код: Выделить всё
http://dx.doi.org/10.1016/j.reactfunctpolym.2003.11.002 
