Jari Heinonen, Arkeologista meripihkaa – sen ominaisuuksista, rapautumisesta ja konservoinnista
(Faravid 22–23/1998–99)

Faravid_22-23_036 Faravid_22-23_037 Faravid_22-23_038 Faravid_22-23_039 Faravid_22-23_040 Faravid_22-23_041 Faravid_22-23_042
Faravid_22-23_043 Faravid_22-23_044 Faravid_22-23_045 Faravid_22-23_046 Faravid_22-23_047