
audiobook
by American Public Health Association. Laboratory Section, American Chemical Society, Association of Official Agricultural Chemists (U.S.)
Language
en
Duration
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Publisher of text edition
Project Gutenberg
Credits
Produced by Richard Tonsing and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)
Release date
2020-02-20
Rights
Public domain in the USA.