Abell, George
Exploration of the universe - 3rd ed. - New York Holt, Rinehart and Winston 1969 - 722 p. illus 25 cm.
Includes bibliographies
0030759552
Astronomy
520 / ABE/1969
Exploration of the universe - 3rd ed. - New York Holt, Rinehart and Winston 1969 - 722 p. illus 25 cm.
Includes bibliographies
0030759552
Astronomy
520 / ABE/1969