Piaget, Jean,  1896-1980. <br/><br/>
The child's conception of physical causality / 
by Jean Piaget. 
 - London ;  New York :  K. Paul, Trench, Trubner & co. ltd.;  Harcourt, Brace & company,  1930. 
 - viii, 309 p. :  illus. ;  23 cm. 
<br/><br/> "Translated by Marjorie Gabain." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Causation.<br/>Physics.<br/>Child psychology.
<br/><br/><label>Dewey Class. No.: </label>136.72  / PIC 1930