Holmberg, Å., & Lindgren, S. (1970). Crack spacing and crack widths due to normal force or bending moment. National Swedish Institute for Building Research.
Chicago Style (17th ed.) CitationHolmberg, Åke, and Sten Lindgren. Crack Spacing and Crack Widths Due to Normal Force or Bending Moment. Stockholm: National Swedish Institute for Building Research, 1970.
MLA (8th ed.) CitationHolmberg, Åke, and Sten Lindgren. Crack Spacing and Crack Widths Due to Normal Force or Bending Moment. National Swedish Institute for Building Research, 1970.
Warning: These citations may not always be 100% accurate.