PRATHURU, A., FAISAL, N., STEEL, J. and JIHAN, S. 2022. Application of pencil lead break (PLB) point source in the detection of interfacial defects in adhesive bonds. Journal of nondestructive evaluation [online], 41(4), article 65. Available from: https://doi.org/10.1007/s10921-022-00898-7