1. The general theme for the 13th Congress of the International Society of Biometeorology from 12 to 18 September 1993 in Calgary, Canada

   • Wolf H. Weihe

   Editorial Pages: 111 - 111

2. Quests for cures: A history of tourism for climate and health

   • Simon M. Kevan

   Review article Pages: 113 - 124

3. Solar heat load on man

   • Krzysztof Blazejczyk
   • Håkan Nilsson
   • Ingvar Holmér

   Original articles Pages: 125 - 132

4. Electromagnetic wave emitting products and “Kikoh” potentiate human leukocyte functions

   • Yukie Niwa
   • Osamu Iizawa
   • Tadashi Kanoh

   Original articles Pages: 133 - 138

5. Time series predictions with neural nets: Application to airborne pollen forecasting

   • C. M. Arizmendi
   • J. R. Sanchez
   • G. I. Ramos

   Original articles Pages: 139 - 144

6. Low twinning rate and seasonal effects on twinning in a fertile population, the Hutterites

   • K. Nonaka
   • T. Miura
   • K. Peter

   Original articles Pages: 145 - 150

7. A tree-ring densitometric transect from Alaska to Labrador

   • F. H. Schweingruber
   • K. R. Briffa
   • P. Nogler

   Original articles Pages: 151 - 169

8. The onset of the rainy season in Yunnan province, PR China and its significance for agricultural operations

   • Axel Thomas

   Original articles Pages: 170 - 176

9. Programm of the 13th International Congress of Biometeorology

   JSB News Pages: 177 - 178

10. Book review

    • R. W. Gloyne

    BookReview Pages: 179 - 179