1 February 1993, (184): 57–78. JSTOR 1542380. Jakob Vinther, Erik A. Sperling, Derek E. G. Briggs, Kevin J. Peterson. A molecular palaeobiological hypothesis
1 February 1993, (184): 57–78. JSTOR 1542380. Jakob Vinther, Erik A. Sperling, Derek E. G. Briggs, Kevin J. Peterson. A molecular palaeobiological hypothesis