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- 77612010 contributor B3220353.
- 77612010 created "1971]".
- 77612010 date "1971".
- 77612010 date "1971]".
- 77612010 dateCopyrighted "1971]".
- 77612010 extent "20 p.".
- 77612010 issued "1971".
- 77612010 issued "1971]".
- 77612010 language "eng".
- 77612010 publisher "[Washington; For sale by the Supt. of Docs, U.S. Govt. Print. Off.,".
- 77612010 subject "372.3/57 19".
- 77612010 subject "Biological models.".
- 77612010 subject "Ecology Study and teaching.".
- 77612010 subject "Environmental education.".
- 77612010 subject "QH541.2 .U53 1971".
- 77612010 title "Miniature environments; an environmental education guidebook.".
- 77612010 type "text".