1. DeSalle R, Williams AK, George M (1994) Isolation and characterisation of animal mitochondrial DNA. In: EA Zimmer, TJ White, RL Cann, AC Wilson (eds): Meth ods in Enzymology Vol. 224, Molecular 3 Evolution: Producing the Biochemical Data. Academic Press, San Diego, CA, 176–204
2. Sytsma KJ, Givnish TJ, Smith JF, Hahn WJ (1994) Collection and storage of land 4 plant samples for macromolecular stu¬dies. In: EA Zimmer, TJ White, RL Cann, AC Wilson (eds): Methods in Enzymology Vol. 224, Molecular Evolution: Produ¬cing the Biochemical Data. Academic Press, San Diego, CA, 23–37
3. Dessauer HC, Cole CJ, Hafner MS (1990) Collection and storage of tissues. In: DM Hillis, C Moritz (eds): Molecular Sys¬tematics. Sinauer, Sunderland, MA, 25–41
4. Dessauer HC, Cole CJ, Hafner MS (1996) Collection and storage of tissues. In: DM Hillis, C Moritz, BK Mable (eds): Mo-lecular Systematics. 2nd Edition. Si¬nauer, Sunderland, MA, 29–47
5. Brown TA (1999) How ancient DNA may help in understanding the origin and spread of agriculture. Philosophical Transactions of the Royal Society of London, Series B - Biological Sciences 354: 89–97