Eksploatacja i Niezawodnosc-Maintenance and Reliability《维修与可靠性》(季刊). In the quarterly Eksploatacja i Niezawodność – Maintenance and Reliability there are published articles containing original results of experimental and simulation research on dependability, availability, reliability, durability, efficiency, risk and safety of technical items and complex systems. For publication there are considered articles presenting relevant assessments, analyses and experiments supported by real and physical interpretation of causes or outcomes, which have been verified empirically. In the journal there are published high quality articles on innovative modelling, novel approaches and enhanced research methods from the above mentioned technical fields.