Ziomek, Megan M <br/><br/>
Investigating the acquisition, generalization, and emergence of untrained verbal operants for mands acquired using the picture exchange communication system in adults with severe developmental disabilities.  [electronic resource] 

 -  The Analysis of verbal behavior  2008 
 - 15-30 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0889-9401 
<br/><br/><label>Standard No.: </label>10.1007/BF03393054  doi