https://www.erowid.org/references/refs_view.php?ID=1536&S=Gamna_G&SField=Author
Erowid.org: Erowid Reference 1536 : Autoexperienze con LSD : Gamna G, Bonfante B, Villata E
The Index page for the reference article: Gamna G, Bonfante B, Villata E Autoexperienze con LSD Rassegna di studi psichiatr. 1954 43:979