Blake.L.S. <br/><br/>
Civil Engineers Reference Book.(1977). 

 - 3rd Ed. 
 -  NBUT  1978 
 -  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>REF-646  / BLA