Of course you can promote our project and become a member of our Association "Verein der Freunde und Förderer des DHFZ (Förderverein DHFZ) e.V.". At present membership-fee is 20,00 € per annum. Membership-fee and donations too are tax-deductible. To become a member of our association please fill in the declaration of accesion and the direct debit authorization for an account, sign both and send the original formular to the address named above  (Faxes are not possible).