Bird, R. G. <br/><br/>
EDM Traverses:  measurement, computation and adjustment 

 - London  Longman Scientific & Technical  1989. 
 - ix; 144p.: ll. 
<br/><br/> ncludes bibliography and index. 
<br/><br/><label>ISBN: </label>9780582023796 
<br/><br/><label>LC Class. No.: </label>TA 585  / hir1989