Electron spin relaxation as tracer of excitons in a two-dimensional electron-hole plasma inside a (110)-GaAs quantum wellS. Oertel, S. Kunz, D. Schuh, W. Wegscheider, J. Hübner and M. OestreichEPL, 96 6 (2011) 67010DOI: https://doi.org/10.1209/0295-5075/96/67010