New cepstrum frequency scale for neural network speaker verification. - Paul Cristea; Zica Valsan (ICECS, 1999)

Speaker identification using discriminative features selection. - Bogdan Sabac; Inge Gavat; Zica Valsan (INTERSPEECH, 2000)

Statistical and Hybrid Methods for Speech Recognition in Romanian. - Zica Valsan; Inge Gavat; Bogdan Sabac; Oana G. Cula; Ovidiu Grigore; Diana Militaru; Corneliu Octavian Dumitru (Int. J. Speech Technol., 2002)

The dynamic, multi-lingual lexicon in smartkom. - Silke Goronzy; Zica Valsan; Martin C. Emele; Juergen Schimanowski (INTERSPEECH, 2003)

Class-Based Language Model Adaptation. - Martin C. Emele; Zica Valsan; Yin Lam; Silke Goronzy (SmartKom, 2006)