Pu, S. L., Hussain, M. A., & Lorensen, W. E. (1978). The collapsed cubic isoparametric element as a ingular element for crack probblems. Wiley-Blackwell.
Chicago Style (17th ed.) CitationPu, S. L., M. A. Hussain, and W. E. Lorensen. The Collapsed Cubic Isoparametric Element as a Ingular Element for Crack Probblems. Chichester [u.a.]: Wiley-Blackwell, 1978.
MLA (9th ed.) CitationPu, S. L., et al. The Collapsed Cubic Isoparametric Element as a Ingular Element for Crack Probblems. Wiley-Blackwell, 1978.
Warning: These citations may not always be 100% accurate.