![Plant Constituent: Constitution and Biosynthesis of Lignin. K. Freudenberg and A. C. Neish. Springer-Verlag, New York, 1968. x + 132 pp., illus. $7. Molecular Biology, Biochemistry and Biophysics, vol. 2. | Science Plant Constituent: Constitution and Biosynthesis of Lignin. K. Freudenberg and A. C. Neish. Springer-Verlag, New York, 1968. x + 132 pp., illus. $7. Molecular Biology, Biochemistry and Biophysics, vol. 2. | Science](https://www.science.org/cms/10.1126/science.165.3895.784.a/asset/e5ba9bba-0869-4efd-b0e2-00cbefcae47a/assets/science.165.3895.784.a.fp.png)
Plant Constituent: Constitution and Biosynthesis of Lignin. K. Freudenberg and A. C. Neish. Springer-Verlag, New York, 1968. x + 132 pp., illus. $7. Molecular Biology, Biochemistry and Biophysics, vol. 2. | Science
Break in Service – A break in service is any separation from employment status. In addition, a break in service occurs, effec
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