000 00318 a2200133 4500
080 _a576.12
_bD 745 M
245 1 _aMechanism of evolution
_cby W.H. Dowdeswell
250 _a3rd edn.
260 _aLondon
_bHeinemann
_c1958
650 _aEvolution
100 1 _aDowdeswell, W.H.
_d
300 _a131 p.
901 _a104349
999 _c32670
_d32670