Ward,, Barbara
Only one earth : the care and maintenance of a small planet / Barbara War, René Dubos
Only one earth : the care and maintenance of a small planet / Barbara War, René Dubos
. - Harmondsworth : Penguin Books, imp. 1980
. - 304 p. 19 cm
. - (A pelican book., Science-technology))
0-14-021601-4 (Brochado)
504.06