Collect. Czech. Chem. Commun.
1953, 18, 739-748
https://doi.org/10.1135/cccc19530739
The oscillography of penicillin G and the determination of its purity
J. Heyrovský
Collect. Czech. Chem. Commun.
1953, 18, 739-748
https://doi.org/10.1135/cccc19530739