Hammad, Amin, and Ali Ghelmani. “Self-Supervised Learning Approach for Excavator Activity Recognition Using Contrastive Video Representation”. In Proceedings of the 29th EG-ICE International Workshop on Intelligent Computing in Engineering, edited by Jochen Teizer and Carl Schultz, 350–358. Antologier. Aarhus, DK: AU Library Scholarly Publishing Services, 2022. Accessed June 21, 2025. https://ebooks.au.dk/aul/catalog/book/455/chapter/225.