Heliographic positions of sun-spots 1860-1870
Peters C . H . F.1907
Book
Total copies: 1
Main title:
Author:
Imprint:
Carnegie Institution 1907
ISBN:
E000306451 (invalid)
Dewey class:
523.74Q523.74P1
Local class:
Q523.74P1
Language:
English
BRN:
2134173