Part A Remarks on the physics of atmospheric ions (natural and artificial) Hans Dolezalek OriginalPaper Pages: 211 - 221
Part B Frequency distribution of positive and negative small ion concentrations, based on many years' recordings at two mountain stations located at 740 and 1780 m ASL R. Reiter OriginalPaper Pages: 223 - 231
Part C Natural and artificially produced air ions — A biologically relevant climate factor? P. Kröling OriginalPaper Pages: 233 - 242
Effects of low frequency electric fields on the sedimentation rate of human blood. Preliminary observations J. JuutilainenT. Lahtinen OriginalPaper Pages: 243 - 252
Long-term biological effects of air ions and D.C. electric fields on Namru mice: First year report E. W. Kellogg IIIM. G. YostA. P. Krueger OriginalPaper Pages: 253 - 268
Long-term biological effects of air ions and D.C. electric fields on Namru mice: Second year report E. W. Kellogg IIIM. G. YostS. H. Madin OriginalPaper Pages: 269 - 283
Air ion effect on respiration and photosynthesis of barley andAntirrhinum majus T. M. ElkieyS. BhartenduN. Barthakur OriginalPaper Pages: 285 - 292
Effect of magnetic micropulsations on the biological systems — A bioenvironmental study S. SubrahmanyamP. V. Sanker NarayanT. M. Srinivasan OriginalPaper Pages: 293 - 305