1. Analysis and provenience of Minoan and Mycenaean amber, I;Beck;Greek, Roman and Byzantine Studies,1966
2. Amber in archaeology;Beck;Archaeology,1970
3. Infra-red spectra and the origin of amber;Beck;Nature, London,1964
4. The infrared spectra of amber and the identification of Baltic amber;Beck;Archaeometry,1965
5. Determination of the origin of Greek amber artifacts by computer-classification of infra-red spectra;Beck,1971