Troost, Cornelius J. <br/><br/>
Environmental education:  a sourcebook. 
Edited by Cornelius J. Troost & Harold Altman. 
 - New York,  Wiley  [1972] 
<br/><br/>Bibliography: p. 527-538. 
<br/><br/><label>ISBN: </label>0471891002  0471891010 (pbk) 
<br/><br/><label>LCCN: </label>72002321 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental education.
<br/><br/><label>LC Class. No.: </label>QH541.2  / .T76 
<br/><br/><label>Dewey Class. No.: </label>301.31/071