Exploring the universe /
American Foundation for Continuing Education.
Exploring the universe / edited by Louise B. Young ; American Foundation for Continuing Education. - McGraw-Hill, [1963]. - xxviii,457 p. : ill. ; 26 cm. - American Foundation for Continuing Education. Publications. .
Includes bibliography.
62021787
Science.
Astronomy.
ასტრონომია კოსმოსის კვლევა
Q111 / .A5
524
Exploring the universe / edited by Louise B. Young ; American Foundation for Continuing Education. - McGraw-Hill, [1963]. - xxviii,457 p. : ill. ; 26 cm. - American Foundation for Continuing Education. Publications. .
Includes bibliography.
62021787
Science.
Astronomy.
ასტრონომია კოსმოსის კვლევა
Q111 / .A5
524