Ralph, Robert <br/><br/>
Methods in experimental biology / 
by Robert Ralph 
 - Glasgow etc. :  Blackie,  1975 
 - 142 p. :  ill. ;  21 cm. 
 - Tertiary level biology .
<br/><br/>p. 138-139 
<br/><br/><label>ISBN: </label>0216900719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Experiments