Mc Graw Hill  <br/><br/>
Mc Graw  Hill  Circuit  Encyclopaedia   of Science  & technology 

 - 7 
 - New york  Mc Graw Hill  1992 
 -  2 .
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Mc graw hill encyclopedia