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- 90020843 abstract "Studies the important role of atmospheric ozone in protecting the Earth, and tells how man-made chemicals are causing worrisome holes in the polar ozone layers.".
- 90020843 contributor B6105608.
- 90020843 created "c1991.".
- 90020843 date "1991".
- 90020843 date "c1991.".
- 90020843 dateCopyrighted "c1991.".
- 90020843 description "Studies the important role of atmospheric ozone in protecting the Earth, and tells how man-made chemicals are causing worrisome holes in the polar ozone layers.".
- 90020843 extent "45 p. :".
- 90020843 identifier "0516011170 (lib. bdg.)".
- 90020843 isPartOf "A New true book".
- 90020843 issued "1991".
- 90020843 issued "c1991.".
- 90020843 language "eng".
- 90020843 publisher "Chicago : Childrens Press,".
- 90020843 subject "363.73/84 20".
- 90020843 subject "Air Pollution.".
- 90020843 subject "Chlorofluorocarbons Environmental aspects Juvenile literature.".
- 90020843 subject "Ozone layer Juvenile literature.".
- 90020843 subject "Ozone layer depletion Environmental aspects Juvenile literature.".
- 90020843 subject "Ozone layer.".
- 90020843 subject "Ozone.".
- 90020843 subject "TD887.C47 S75 1991".
- 90020843 title "Ozone hole / by Darlene R. Stille.".
- 90020843 type "text".