Krempl, E. <br/><br/>
The influence of state of stress on low-cycle fatigue of structural materials: a literature survey and interpretive report. 

 - Philadelphia :  ASTM,  1974. 
 - /ASTM-STP--549/ .
 - ASTM^nAmerican Society for Testing Materials^pUS .
 - /ASTM-STP--549/ .