Palen, S.
Schaum's outline of astronomy / by S. Palen - New Delhi : Mc Graw Hill, 2002. - vi, 234 p. : ill. ; - Schaum's outline series. .
007136436-6
Astronomy.
Schaum's outline of astronomy / by S. Palen - New Delhi : Mc Graw Hill, 2002. - vi, 234 p. : ill. ; - Schaum's outline series. .
007136436-6
Astronomy.