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1. Journal of Essential Oil Research, Volume 3, Issue 4, 1991, pages 229-236
Irma Nykänen, Lalli Nykänen & Martti Alkio
" Composition of Angelica Root Oils Obtained by Supercritical C02 Extraction and Steam Distillation"
- DOI:
http://dx.doi.org/10.1080/10412905.1991.9697933
Chang-Sheng Wang, Yan Zhang, Kun Gao, and Zhong-Zhi Yang
A new scheme for determining the intramolecular seven-membered ring N–H⋯OC hydrogen-bonding energies of glycine and alanine peptides
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http://link.aip.org/link/doi/10.1063/1.1979471