Lotspeich, William <br/><br/>
Discoveries in science: How they are made / 
Lotspeich, William 
 -  Fawcett Publications, New York,  1968 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pure sciences
<br/><br/><label>Dewey Class. No.: </label>500 LOT-D