BOOK
Title:
Sunspot and geomagnetic-storm data: derived from Greenwich observations, 1874-1954
Creators:
Royal Observatory, Greenwich | Jones, H. Spencer (Harold Spencer), 1890-
Publication:
H. M. Stationery Office, London, 1955.
Call #:
522.6 G85SP.1
Extent:
viii, 106 p. : fold. diag. ; folio.
Subjects:
