Authors:
SPIEKSMA FTM
EMBERLIN JC
HJELMROOS M
JAGER S
LEUSCHNER RM
Citation: Ftm. Spieksma et al., ATMOSPHERIC BIRCH (BETULA) POLLEN IN EUROPE - TRENDS AND FLUCTUATIONSIN ANNUAL QUANTITIES AND THE STARTING DATES OF THE SEASONS, Grana, 34(1), 1995, pp. 51-57
Citation: Rm. Leuschner, COMPARISON OF AIRBORNE POLLEN COUNT AT 3 MEASURING STATIONS - DAVOS-WOLFGANG, WIESEN GR AND BASEL, Allergologie, 17(11), 1994, pp. 505-508