@article { <br/>Rieber-1991-AIL,<br/>author= "L.P. Rieber",<br/>title= "Animation, Incidental Learning, and Continuing Motivation",<br/>journal= "Journal of Educational Psychology",<br/>year= "1991",<br/>month= "Mar",<br/>volume= "83",<br/>pages= "318--328",<br/>}