@article{article, title  = {{Intersubband electroluminescence in GaAs/AlGaAs quantum cascade structures}},

 publisher = {{Institution of Engineering and Technology (IET)}},

 url = {{}},

 year = {{1997}},

 month = {{10}},

 author = {{Li YB and Cockburn JW and Skolnick MS and Birkett MJ and Duck JP and Grey R and Hill G}},

 doi = {{10.1049/el:19971209}},

 volume = {{33}},

 journal = {{Electronics Letters}},

 issue = {{22}},

 pages = {{1874-1874}},

 note = {{Accessed on 2024/12/22}}}