Nature · 1972 · 72 citations · 14 references
Natural SciencesChemistryMineralogyAlgal PigmentsElemental Composition Analysis
14
Jean H. Langenheim · Science · 1969 · 275 citations
Life Sciences, Biology, Botany +4
Infra-Red Spectra and the Origin of Amber
Curt W. Beck, ELIZABETH WILBUR, SILJA MERET · Nature · 1964 · 141 citations
THE INFRARED SPECTRA OF AMBER AND THE IDENTIFICATION OF BALTIC AMBER
Curt W. Beck, El Wilbur, SILJA MERET et al. · Archaeometry · 1965 · 129 citations
Infrared Spectra as a Means of Determining Botanical Sources of Amber
Jean H. Langenheim, Curt W. Beck · Science · 1965 · 103 citations