Rissom Hans-Wolf(ed) <br/><br/>
Environmental education in Europe:  Regional workshop organized with the co-operation of the UNESCO-UNEP international environmental education programme by the German commission for UNESCO / 

 - Essen.  German commission for UNESCO.  1990. 
 - 98 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic and general study subjects .