A description of the Slebos quarry naer Oldenzaal is presented of the locally collected amber infrared spectra have been made and compared with spectra of amber from other localities.

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Grondboor & Hamer

CC BY 3.0 NL ("Naamsvermelding")

Nederlandse Geologische Vereniging

W.F. Anderson. (1977). Infrarood-spectrometrisch onderzoek van Barnsteen. Grondboor & Hamer, 31(4), 98–107.