Article in volume 22 (1968)
Spectrophotometric Studies on a Humic Acid Fraction. Pages: 2384-2386. DOI number: 10.3891/acta.chem.scand.22-2384 |
Spectrophotometric Studies on a Humic Acid Fraction. Pages: 2384-2386. DOI number: 10.3891/acta.chem.scand.22-2384 |