Vibration-based leak detection and monitoring of water pipes using output-only piezoelectric sensorsF. Okosun, P. Cahill, B. Hazra and V. PakrashiEur. Phys. J. Special Topics, 228 7 (2019) 1659-1675DOI: https://doi.org/10.1140/epjst/e2019-800150-6