APA-čujuhus (7. p.)
ebrary, Inc, & Plytycz, B. (2009). Earthworms for monitoring metal contamination. Nova Science.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Barbara Plytycz. Earthworms for Monitoring Metal Contamination. New York: Nova Science, 2009.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Barbara Plytycz. Earthworms for Monitoring Metal Contamination. Nova Science, 2009.
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