Crop Science Society of America <br/><br/>
Variety protection by plant patents and other means 

 - Madison  Crop Science Society of America  1969 
 - 54p 
<br/><br/>Crop Science Society of America: Variety protection by plant patents and other means.  Madison.  Crop Science Society of America, 1969.--(631.5CRO)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.5  / CSSA