"Fitzjohn, Stephen." <br/><br/>
The new joyof knowledge encyclopedia :  industry and engineering. Volume 6 / 
Stephen Fitzjohn. 
 - London :  "Oriole Publishing,"  1990. 
 - 360 p. : 
<br/><br/><label>ISBN: </label>5018132220062 
<br/><br/><label>LC Class. No.: </label>TA 9  / .N49 1990