Tang ,Tong B. <br/><br/>
Science and technology in China 
by Tong B.Tang 
 - Essex  Longman  c1984 
 - x,269p.; tables.; 22cm.- 
 - Longman guide to world science and technology; no.3 .
<br/><br/><label>Dewey Class. No.: </label>507.2051  / TAN