1. Reviews - what can we do about them?

   • Douglas H. K. Lee

   ReviewPaper Pages: 187 - 189

2. A biometeorological time scale for a cereal crop involving day and night temperatures and photoperiod

   • G. W. Robertson

   OriginalPaper Pages: 191 - 223

3. Small air ions: Their effect on blood levels of serotonin in terms of modern physical theory

   • A. P. Krueger
   • P. C. Andriese
   • S. Kotaka

   OriginalPaper Pages: 225 - 239

4. A propos de l'intervention des aéroions dans les processus de régulation de la lipémie et de la cholestérolémie

   • H. Straus
   • M. Deleanu
   • Angela Toader

   OriginalPaper Pages: 241 - 249

5. The effect of air ions on liquid evaporation rates

   • F. X. Hart
   • Ch. H. Bachman

   OriginalPaper Pages: 251 - 261

6. The psychologic consequences of exposure to high density pulsed electromagnetic energy

   • F. G. Hirsch
   • D. R. McGiboney
   • T. D. Harnish

   OriginalPaper Pages: 263 - 270

7. Seasonal changes in milk production and fertility in high yielding dairy cows in a desert climate

   • J. Kali
   • M. Morag
   • S. Amir

   OriginalPaper Pages: 271 - 275

8. Der Einfluss von Gebirge und See auf die 17-Ketosteroidausscheidung im Harn

   • W. Menger
   • R. Dölp

   OriginalPaper Pages: 277 - 282

9. The effect of simulated altitude (500 mm Hg) on urine acid mucopolysaccharides excretion in normal rats

   • H. Mikolajczyk
   • D. Allalouf
   • A. Ber

   OriginalPaper Pages: 283 - 287

10. The effect of simulated altitude (500 mm Hg) on urine acid mucopolysaccharides excretion in hypophysectomized rats

    • H. Mikolajczyk
    • D. Allalouf
    • A. Ber

    OriginalPaper Pages: 289 - 292

11. Seasonal variations in birth-rates of cancer patients

    • W. J. J. de Sauvage Nolting

    OriginalPaper Pages: 293 - 295

12. Fourteenth Congress of the International Union of Forestry Research Organizations

    Reports and News Pages: 297 - 314

13. Book reviews

    • H. Brezowsky

    BookReview Pages: 315 - 315