Andrejkovičová, S.; Velosa, A.; Gameiro, A.; Ferraz, E.; Rocha, F. (2013). "Palygorskite as an admixture to air lime–metakaolin mortars for restoration purposes". Applied Clay Science. 83–84: 368–374. Bibcode:2013ApCS...83..368A. doi:10.1016/j.clay.2013.07.020.
drugs.com
"Attapulgite Tablet". drugs.com. Drugsite Trust, Auckland, New Zealand. Retrieved 30 August 2024.
"Palygorskite (Mg,Al)2 Si4 O10 (OH).4H2O"(PDF). handbookofmineralogy.com. Mineral Data Publishing, version 1.2. 2001. Archived from the original(PDF) on 2022-05-01. Retrieved 29 August 2024. Palygorskite in the Handbook of Mineralogy.
Andrejkovičová, S.; Velosa, A.; Gameiro, A.; Ferraz, E.; Rocha, F. (2013). "Palygorskite as an admixture to air lime–metakaolin mortars for restoration purposes". Applied Clay Science. 83–84: 368–374. Bibcode:2013ApCS...83..368A. doi:10.1016/j.clay.2013.07.020.
"Palygorskite (Mg,Al)2 Si4 O10 (OH).4H2O"(PDF). handbookofmineralogy.com. Mineral Data Publishing, version 1.2. 2001. Archived from the original(PDF) on 2022-05-01. Retrieved 29 August 2024. Palygorskite in the Handbook of Mineralogy.