Construction of a V interpolant over triangles via edge deletion
C. Cottin, R. van Damme, Computer Aided Geometric Design 11 (1994) 675–686.

On-the-Job Training, innerbetriebliche Karrierepfade und Einkommensentwicklung / On-the-Job Training, Promotion and Earnings Dynamics Observed Within Firms
F. Büchel, M. Pannenberg, Jahrbücher Für Nationalökonomie Und Statistik 213 (1994).

On the Use of Iterative Refinement Preconditioners Based on Domain Decomposition
S. Petrova, in: I. Dimov,  Ognyan Tonev (Eds.), Advances in Parallel Algorithms, IOS Press, Amsterdam, Netherlands, 1994, pp. 44–52.

Computing extreme eigenvalues of large sparse symmetric problems
C. Brand, S. Petrova, in: I.T. Dimov, B. Sendov, P.S. Vassilevski,  e World Scientific Pub Co Inc (Eds.), Advances in Numerical Methods and Applications: Proceedings of the Third International Conference, 1994.

Two-Level Local Refinement Preconditioners for Nonsymmetric and Indefinite Elliptic Problems
R.E. Ewing, S. Petrova, P.S. Vassilevski, SIAM Journal on Scientific Computing 15 (1994) 149–163.

Preconditioning elliptic problems on grids with multilevel local refinement
P.S. Vassilevski, S. Petrova, R.D. Lazarov, Mathematica Balkanica 8 (1994) 179–196.

An efficient implementation of certain iterative refinement preconditioners
S. Petrova, Computing 52 (1994) 51–63.