J.J. Boon, I. Pastorova, R.E. Botto and P.W.F. Arisz, Structural studies on cellulose pyrolysis and cellulose chars by PYMS, PYGCMS, FTIR, NMR and by wet chemical techniques, Biomass & Bioenergy 7, 25-32 (1994)
P.M. Zagwijn, W.J. Huisman, A. Polman, E. Vlieg, A.H. Reader and D.J. Gravesteijn, Transient diffusion of Ga in amorphous silicon, J. Appl. Phys. 76, 5719-5723 (1994)
E. van der Heijden and J.J. Boon, A combined pyrolysis mass spectrometric and light microscopic study of peatified Calluna wood isolated from raised bog peat deposits, Org. Geochem. 22, 903-919 (1994)