155.4  / Ol8 <br/>
Olson, David R. <br/>
       Cognitive development : the child's acquisition of diagonality 
 / David R. Olson 
 .- New York: Academic Press,  1970 
 .- xvi, 220p. 
.- ( The Child Psychology Series : Experimental And Theoretical Analysis Of Child Behaviour / Edited By David S. Palermo     
<br/><u>Subject Headings:</u> <br/>Psychology;
<br><U>Copy Details:</u><br> Acc. No.: <b>A42299</b>, Full Call No.: 155.4 Ol8,   Item type:  Books , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>