Cover image for The sunspot-activity in the years 1610-1960
Title:
The sunspot-activity in the years 1610-1960
Author:
Waldmeier, Max.
Personal Author:
Publication Information:
Zürich : Schulthess, 1961.
Physical Description:
171 pages : illustrations ; 24 cm
General Note:
Chiefly tables.

Introduction in English and German.
Language:
English
Subject Term:
Format :
Book