Dergiler / Gazi University Journal of Science / 2003 / Cilt: 16 - Sayı: 3HISTORICAL DEVELOPMENT, WORKING PRINCIPLES AND STATE OF THE ART OF FUEL CELLSAtilla BIYIKOĞLUDergiGazi University Journal of ScienceSayı2003 · Cilt: 16 - Sayı: 3Sayfa523–542DOI—