https://www.prnewswire.com/news-releases/shotcretesprayed-concrete-market-worth-65-billion-by-2018-211792811.html
Shotcrete/Sprayed Concrete Market worth $6.5 Billion By 2018
sprayed concreteshotcretemarketworthbillion
https://www-smartinfrastructure.eng.cam.ac.uk/events/csic-10th-anniversary-event-research-talk-closing-loop-back-analysis-sprayed-concrete-tunnel
CSIC 10th Anniversary Event: Research Talk 'Closing the loop: Back analysis of sprayed concrete...
https://isprs-archives.copernicus.org/articles/XLI-B5/521/2016/
ISPRS-Archives - AUTOMATIC THICKNESS AND VOLUME ESTIMATION OF SPRAYED CONCRETE ON ANCHORED...
isprs archives