John, J. McMahon <br/><br/>
Radiosotopes in industry 
by J. McMahon John 
 - New York  NAtional Indurtrial Confrence Board  1959 
 - 136p. 
<br/><br/> $5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes - Industrial Applications
<br/><br/><label>Dewey Class. No.: </label>YA54138 N213