David L. Woytowich
- A new concept of upflow clarification in activated sludge separation. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 13, n. 5 (octobre 1986). (1986):
- Development of a portable direct filtration water treatment plant in northern Manitoba. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 17, n. 5 (octobre 1990). (1990):
- Accelerated testing of a filled polyester E-glass composite in acidic environments. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 18, n. 5 (octobre 1991). (1991):