Butls, Robert E.. <br/><br/>
Constructivism and science /  
Robert E. Butls, James Robert Brown. 
 - Dorchester :   Kluwer Academic Publishers ,   1989. 
 - xxv,289p. :   charts,maps, ;   23cm. .  
 - (The university of western ontario series in philosophy of science),       ; .
 - (The university of western ontario series in philosophy of science),       ; .
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<br/><br/><label>ISBN: </label>0792302516  $185=00 
<br/><br/><label>Subjects--Index Terms: </label>CONSTRUCTIVISM,PHILOSOPHY SCIENCE-PHILOSOPHY 
<br/><br/><label>Dewey Class. No.: </label>149  / BUT/C