Extended quasiparticle approximation and Brueckner theory.

@article{Koehler1993ExtendedQA,
  title={Extended quasiparticle approximation and Brueckner theory.},
  author={A S Koehler and Malfliet},
  journal={Physical review. C, Nuclear physics},
  year={1993},
  volume={48 3},
  pages={1034-1045}
}