. 1928 Oct;3(4):487–497. doi: 10.1104/pp.3.4.487
THE PREPARATION OF CHLOROPHYLL*
1U. S. Department of Agriculture, Washington, D. C.
*
Soil-Fertility Investigations, U. S. Department of Agriculture, Washington, D. C.
PMCID: PMC440026 PMID: 16652584