Bird, J.O. <br/><br/>
Technician mathematics levels 4 and 5 /  [textbook] 
by J.O. Bird and A.J.C. May 
 - Seventh edition / 
 - Harlow:  Longman,  1991 
 - 413 pages:  illustrations; 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>0582417627 
<br/><br/><label>LC Class. No.: </label>TA330   / BIR