International Electrotechnical Commission <br/><br/>
IEC: 68-2-61-1991; Environmentl testing - part2: Test methods Test Z/ ABDM - Climatic sequence 

 - 1 
 - Geneva  IEC  1991-06 
 - 2-33 
<br/><br/> Downloaded from IEC Website 
<br/><br/><label>Universal Decimal Class. No.: </label> /