Bhathal, R. S. <br/><br/>
A guide to pond life / 
by R. S. Bhathal and Foo Tok Shiew 
 - 2nd rev. ed. 
 - Singapore :  Singapore Science Centre,  1987 
 - 72 p. ;  13 cm. 
<br/><br/><label>ISBN: </label>9971942917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pond fauna--Singapore<br/>Pond flora--Singapore