Isaac, C.A. <br/><br/>
Isaac's telescopic classification   stage one 
<label>/ by </label> Isaac, C.A. 
 - 3rd ed. 
 - London  Reliance Press  1972 
 - [2], 34p.  21 cm. 
<br/><br/><label>Dewey Class. No.: </label>025.43  / ISA