Heller, S R  <br/><br/>
EPA/NIH mass spectral data base supplement 2, 1983 
/National bureau of standards 
 - Washington:   US Department of Commerce,   1983 
 - 1182p. 
 - NSRDS NBS 63, suppl.2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standards
<br/><br/><label>Subjects--Index Terms: </label>Data base