MFA contact and billing data:Address (seat): Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Konkoly Thege Miklós út 29-33. Address (postal): EK MFA, 1525 Budapest, P.O. Box 49. Phone: +36 1 3922224 VAT: HU15327040 E-mail: info @ mfa.kfki.huHow to reach us:Public transportation: -use bus No. 21 from Széll Kálmán tér or from Déli pályaudvar to KFKI (https://bkk.hu/menetrendek/#21) -use KFKI campus bus from Széll Kálmán tér or from Déli pályaudvar or from Móricz Zsigmond körtér (https://www.kfki.hu/contact)