Fourth international congress for stereology 
/ Proceedings of the fourth international....................................4-9 September, 1975 
 - Washington:   US Department of Commerce,   1976 
 - xxiv, 540p. 
 - National Bureau of Standards special publications 431  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proceedings
<br/><br/><label>Universal Decimal Class. No.: </label>541.63  / L6