Index to environmental studies - multimedia.
| Previous Title: | National Information Center for Educational Media. Index to ecology (multimedia) |
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| Corporate Author: | |
| Format: | Journal |
| Language: | English |
| Published: |
Los Angeles :
The Center.
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| Subjects: |
| Published: | 1st ed. (1977)-2nd ed. (1981). |
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| Physical Description: | 2 volumes ; 28 cm. |