Essentials of the dynamic universe :
Snow, Theodore P.
Essentials of the dynamic universe : An introduction to astronomy / Theordore P. Snow . - 2nd ed. - St. Paul : West Publishing Company, 1987. - 501 p. : ill.
0-314-30403-7
Աստղագիտություն
Essentials of the dynamic universe : An introduction to astronomy / Theordore P. Snow . - 2nd ed. - St. Paul : West Publishing Company, 1987. - 501 p. : ill.
0-314-30403-7
Աստղագիտություն