@article{tanaka,
  title = {Advancements in fracture toughness testing of ultra-high-strength steel sheets: Unraveling the crack-closure effect and unanticipated thickness independence},
  author = {Yuya Tanaka, Naoki Hirakawa, Kaneaki Tsuzaki, Akinobu Shibata, Hisao Matsunaga},
  publisher = {Elsevier BV},
  year = {2024},
  keywords = {Ultra-high-strength steel, Fracture toughness, Thickness effect, Crack-closure, MT specimen}
}