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support Authors * Christopher Anderson View author publications You can also search for this author inPubMed Google Scholar * Elizabeth Schaefer View author publications You can also search
for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Anderson, C., Schaefer, E. Grass-roots not so green. _Nature_
348, 189 (1990). https://doi.org/10.1038/348189a0 Download citation * Issue Date: 15 November 1990 * DOI: https://doi.org/10.1038/348189a0 SHARE THIS ARTICLE Anyone you share the following
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