Titlebook: Die Optimumhypothese; Neue Aspekte der Ang Josef Sageder BookLatest edition Linzer Universitätsschriften-Verein 1982

Anecdote

Long-term changes in the woodland flora magnitude increase in brightness from great solar distances to maximum near perihelion. The second, or . (VI), measures the variation in magnitude near perihelion. Tentative determinations of these two indices are derived from observations by Max Beyer over more than 30 years for long-period (L-P)