Baumert, Robert Martin. Performance modelling of the Ballard Mark IV solid polymer electrolyte fuel cell [microform] / Robert Martin Baumert. - Ottawa : National Library of Canada, 1993 - 3 microfiches ; 11 x 15 cm. Thesis (M. Sc.) - Queen's University at Kingston, 1993. ISBN: 031580565X Subjects--Topical Terms: Fuel cells.