@misc{misc, title  = {{Distinguishing impurity concentrations in GaAs and AlGaAs, using very
  shallow undoped heterostructures}},

 url = {{}},

 year = {{2010}},

 month = {{7}},

 author = {{Mak WY and Gupta KD and Beere HE and Farrer I and Sfigakis F and Ritchie DA}},

 note = {{Accessed on 2024/09/20}}}