Mass spectrometry of diffuse coplanar surface barrier discharge: influence of discharge frequency and oxygen content in N2/O2 mixtureJan Čech, Antonín Brablec, Mirko Černák, Nevena Puač, Nenad Selaković and Zoran Lj. PetrovićEur. Phys. J. D, 71 2 (2017) 27DOI: https://doi.org/10.1140/epjd/e2016-70607-5