Recombinant DNA:  readings from Scientific American/ 
with introduction by David Freifelder. 
 - San Francisco:  W. H. Freeman,  1957. 
 - 147 p. :   ill. ;  29 cm. 
<br/><br/>p. 145-147. 
<br/><br/><label>ISBN: </label>0716700921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recombinant DNA--Addresses, essays, lectures.