A.O. Betts <br/><br/>
Viral and rickettsiel infections of animals 

 - Newyork  Academic Press  1967 
<br/><br/>A.O. Betts & C.J. York: Viral and rickettsiel infections of animals.  Newyork.  Academic Press, 1967.--(636.0896019BET)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>636.0896019  / BET