Kushiro Shitsugen as designated under the Article 2 of the Ramsar Convention / 
Kushiro Shitsugen National Park 
 - Eastern Hokkaido :  Kushiro Shitsugen National Park Office,  1989 
 - 24 p.  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetland conservation--Japan--Kushiro<br/>National parks and reserves--Japan--Kushiro