@article{1019611, author = "Karl Hans Wedepohl", journal = "Batterien", month = "1961", pages = "4", title = "{N}at{\"u}rliche {V}orkommen und {G}eochemie von h{\"o}herwertigen {M}anganoxiden ({S}ymposium {\"u}ber {B}raunsteine in {G}{\"o}ttingen)", volume = "15", year = "1961", }