1976-graeffe_etal-ions_in_sauna_air-sauna_studies-saunologia
Gunnar Graeffe, Heimo Ihalainen, Matti Lehtimäki, Kalervo Miettinen, and Hannu Salmi (1976) The Ions in Sauna Air. Sauna Studies. Papers read at the VI International Sauna Congress in Helsinki on August 15—17, 1974. Editors Harald Teir, Yrjö Collan, and Pirkko Valtakari.
