Yu, X.-C., Sun, D.-L. and Li, X.-S. (2011) “Ultrasound-Enhanced Supercritical CO2 Extraction of Masson Pine Wood Essential Oil”, Asian Journal of Chemistry, 24(1), pp. 409–412. Available at: https://asianpubs.org/index.php/ajchem/article/view/15967 (Accessed: 1 July 2024).