The twenty-ninth day: Accommodating human needs and numbers to the earth's resources
Brown, Lester Russell, 1934-
The twenty-ninth day: Accommodating human needs and numbers to the earth's resources - Norton - United Stated 1978
ECOLOGIA HUMANA
POLITICA AMBIENTAL
RECURSOS NATURALES
The twenty-ninth day: Accommodating human needs and numbers to the earth's resources - Norton - United Stated 1978
ECOLOGIA HUMANA
POLITICA AMBIENTAL
RECURSOS NATURALES