Interpolating time counter with 100 ps resolution on a single FPGA device. - Ryszard Szplet; Józef Kalisz; Rafal Szymanowski (IEEE Trans. Instrum. Meas., 2000)

Metastability tests of flip-flops in programmable digital circuits. - Józef Kalisz; Zbigniew Jachna (Microelectron. J., 2006)