American Water Works Association, American National Standards Institute, & ebrary, Inc. (2012). Granular activated carbon. American Water Works Association.
Chicago-čujuhus (17. p.)American Water Works Association, American National Standards Institute, juo Inc ebrary. Granular Activated Carbon. [New York?]: American Water Works Association, 2012.
MLA-čujuhus (9. p.)American Water Works Association, et al. Granular Activated Carbon. American Water Works Association, 2012.
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