Victor Yousif, W., Z. Al- Sarraf, S. (2006). elastic instability of frames with nonlinear tapered members. , 12(5), 1357-1372.

Wisam Victor Yousif; S. Z. Al- Sarraf. "elastic instability of frames with nonlinear tapered members". , 12, 5, 2006, 1357-1372.

Victor Yousif, W., Z. Al- Sarraf, S. (2006). 'elastic instability of frames with nonlinear tapered members', , 12(5), pp. 1357-1372.

Victor Yousif, W., Z. Al- Sarraf, S. elastic instability of frames with nonlinear tapered members. , 2006; 12(5): 1357-1372.