Boulding, Kenneth E. 1910-1993. The social system of the planet earth / Kenneth E. Boulding, Elise Boulding and Guy M. Burgess. - Reading, Mass. : Addison-Wesley, c1980. - xvii, 233 p. : ill. ; 30 cm. Includes index. ISBN: 0201002078 LCCN: 79021022 Subjects--Topical Terms: Social sciences. LC Class. No.: H61 / .B6353 Dewey Class. No.: 300 / BUS 1980