Kingfisher Science Encyclopedia: Sonar, Turtle 

 -  Grisewood & Dempsy Limited  1901 
 - 79 pages ;  col. ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>1-85697-447-2 
<br/><br/><label>Dewey Class. No.: </label>R/503/K59/V9