Library, University of Moratuwa, Sri Lanka catalog

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Shea, Cynthia Pollock

Protecting life on earth : steps to save the Ozone layer - Washington Worldwatch 1988 - 46 p. - Worldwatch paper 87 .

Subjects--Topical Terms:
HUMAN ECOLOGY
ENVIRONMENTAL PROTECTION

Universal Decimal Class. No.: 577.4 / S5

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