The content of psilocybin in Norwegian Psilocybe semilanceata
AL Christiansen, KE Rasmussen, K Høiland - Planta medica, 1981 - thieme-connect.com
Detection of psilocybin and psilocin in Norwegian species of Pluteus and Conocybe
AL Christiansen, KE Rasmussen, K Høiland - Planta medica, 1984 - thieme-connect.com