Butcher, T.G. <br/><br/>
Specifications, tolerances, and other technical requirements for weighing and measuring devices: as adopted by the 85th National conference on weights and measures 2000. 

 - [s.l.] :  NIST  2001. 
 - Handbook, no.<44> no. 44 .
 - National Institute of Standards and Technology^pUS .
 - Handbook, no.<44> no. 44 .