Playfair, Lyon (). „XX. On a new fat acid in the butter of nutmegs”. Philosophical Magazine. Series 3. 18 (115): 102–113. doi:10.1080/14786444108650255. ISSN1941-5966.
Playfair, Lyon (). „XX. On a new fat acid in the butter of nutmegs”. Philosophical Magazine. Series 3. 18 (115): 102–113. doi:10.1080/14786444108650255. ISSN1941-5966.