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2. Enzymatic amplification and nucleotide sequencing of portions of the 18S rRNA gene of the beeProplbeia dominicana(Apidae: Hymenoptera) isolated from 25–40 million year old Dominican amber;Cano;Med. Sci. Res.,1992
3. DNA sequences from a fossil termite in Oligo-Miocene amber and their phylogenetic implications;DeSalle;Science,1992
4. Amplification and sequencing of DNA from a 120–135-mlllion-year-old wesvil;Cano;Nature,1993
5. Chloroplast DNA from a MioceneMagnolia species;Golenberg;Nature,1990