Preferential accumulation of selectively preserved biomacromolecules in the humus fractions from a peat deposit as seen by analytical pyrolysis and spectroscopic techniques

1. González, J.A.
2. González-Vila, F.J.
3. Almendros, G.
4. Zancada, M.C.
5. Polvillo, O.
6. Martín, F.