Statistical design and analysis of engineering experiments / Charles Lipson [and] Narendra J. Sheth. Lipson, Charles, 1907- Sheth, Narendra J., joint author. Engineering Statistical methods. Experimental design. Engineering Experiments. TA340 .L56 620 LIS Includes bibliographies. New York, McGraw-Hill [1973] [1973] 1973 Text xx, 518 p. : eng