Orgel, Leslie E. <br/><br/>
The origins of life :  molecules and natural selection / 
L.E. Orgel. 
 - London :  Chapman & Hall,  c1973. 
 - vi, 237 p. :  ill. ;  21 cm. 
 - Science paperbacks ;  no. 90 .
<br/><br/><label>ISBN: </label>0471656933 0412119005 (Science pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life--Origin.<br/>Molecular evolution.