Ludwig Knorr (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ludwig Knorr" in English language version.

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1books.google.com

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books.google.com

Walter Sneader. (2005). "Plant Product Analogues and Compounds derived from Them". Drug discovery: a history. Chichester: Wiley. pp. 125–126. ISBN 978-0-471-89979-2.

doi.org

"Ludwig Knorr. zum Gedächtnis (1859-1921)". Berichte der Deutschen Chemischen Gesellschaft. 60 (1): A1–A34. 1921. doi:10.1002/cber.19270600155.
Duden (1921). "Ludwig Knorr". Zeitschrift für Angewandte Chemie. 34 (48): 269. Bibcode:1921AngCh..34..269D. doi:10.1002/ange.19210344802.
Brune, K (1997). "The early history of non-opioid analgesics". Acute Pain. 1: 33–40. doi:10.1016/S1366-0071(97)80033-2.

harvard.edu

ui.adsabs.harvard.edu

Duden (1921). "Ludwig Knorr". Zeitschrift für Angewandte Chemie. 34 (48): 269. Bibcode:1921AngCh..34..269D. doi:10.1002/ange.19210344802.

zenodo.org

Duden (1921). "Ludwig Knorr". Zeitschrift für Angewandte Chemie. 34 (48): 269. Bibcode:1921AngCh..34..269D. doi:10.1002/ange.19210344802.