A voluminous amount of peer review papers, thesis and reports are available from several journals such as the ACI Materials Journal, ACI Structural Journal, ASCE Journal of Composites for Construction and the many academic conferenes that are held o FRP's in concrete construction each year.
Links to a handful of key papers & publications pertaining to NSM structural strengthening are found below. Reports shown are NOT a comprehensive list.
NSM Design Methodology and Efficacy
NSM Adhesives
Fatigue Performance of NSM Strengthening
Extreme Temperature Performance
Field Performance and Evaluation