Recommended Practice for Building Drawing  

 - National Metric Conversion Authority  Sri Lanka 
 - 80p.  Fig. & Table. 
<br/><br/><label>Nat. Bib. No.: </label>6519 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architecture
<br/><br/><label>Universal Decimal Class. No.: </label>720  / REC