Kempe's engineers year-book 1981. 

 - 86th ed. / edited by J.P. Quayle.  86th ed. / edited by J.P. Quayle. 
 - London :  Morgan-Grampian,  [1981] 
<br/><br/>v. 1. Chapters A1-F11 -- v. 2. G1-P4.