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Weitkamp, A. W. (1959). "I. The Action of Sulfur on Terpenes. The Limonene Sulfides". Journal of the American Chemical Society. 81 (13): 3430–3434. Bibcode:1959JAChS..81.3430W. doi:10.1021/ja01522a069.
"Safety Data Sheet". Cutting Edge Formulations, Inc. 14 November 2014. Archived from the original on 21 January 2022. Retrieved 7 January 2022– via wsimg.com.
Graikou, K.; Gortzi, O.; Mantanis, G.; Chinou, I. (2012). "Chemical composition and biological activity of the essential oil from the wood of Pinus heldreichii Christ. var. leucodermis". European Journal of Wood and Wood Products. 70 (5): 615–620. doi:10.1007/s00107-012-0596-9. ISSN0018-3768.
"Safety Data Sheet". Cutting Edge Formulations, Inc. 14 November 2014. Archived from the original on 21 January 2022. Retrieved 7 January 2022– via wsimg.com.