Integrating RASTA-PLP into speech recognition. - Joachim Koehler; Nelson Morgan; Hynek Hermansky; Hans-Günter Hirsch; Grace Tong (ICASSP (1), 1994)

Speechdat across latin America: project SALA. - Asunción Moreno; Harald Höge; Joachim Koehler; José B. Mariño (LREC, 1998)