Index to ecology (multimedia).
| New Title: | National Information Center for Educational Media. Index to environmental studies - multimedia. |
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| Corporate Author: | |
| Format: | Journal |
| Language: | English |
| Published: |
Los Angeles :
The Center.
|
| Subjects: |
| Published: | 1st-2nd ed.; 1971-73. |
|---|---|
| Physical Description: | 2 volumes |