Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
- Gonzalez-Vila, F.J.
- Martin, F.
- Del Rio, J.C.
- Fründ, R.
ISSN: 0048-9697
Année de publication: 1992
Volumen: 117-118
Número: C
Pages: 335-343
Type: Article