Youtz-Slick Lift Slab construction method,
by John B. Porter and Richard S. Colley.
APA Citation
Colley, R. S., Porter, J. B. (1952). Youtz-Slick Lift Slab construction method. San Antonio, Tex.: Inst. of Inventive Research.
MLA Citation
Colley, Richard S, and John B Porter. Youtz-Slick Lift Slab Construction Method. San Antonio, Tex.: Inst. of Inventive Research, 1952.
Warning: These citations may not always be complete (especially for serials).