@article{paperid:1013142, author = {Azizi, Majid and R. Chizzola and Ghani, Askar and F. Oroojalian}, title = {Composition at Different Development Stages of the Essential Oil of Four Achillea Species Grown in Iran}, journal = {Natural Product Communications}, year = {2010}, volume = {4}, number = {1}, month = {February}, issn = {1934-578X}, pages = {283--290}, numpages = {7}, keywords = {Achillea; essential oil composition; 1;8-cineol; α-thujone; camphor; development}, }