Spaceship earth /
Jackson, Barbara (Ward), 1914-
Spaceship earth / Babra Ward. - London : Hamilton, 1966. - 172 p. ; 20 cm. - The George B. Pegram lectures ; no.6 .
International relations--------
International cooperation--------
327
Spaceship earth / Babra Ward. - London : Hamilton, 1966. - 172 p. ; 20 cm. - The George B. Pegram lectures ; no.6 .
International relations--------
International cooperation--------
327