1. U-tube bundles, for shell-and-tube heat exchangers 3.3.5-12 - 3.3.5-13
1. natural frequencies in vibration of, 4.6.2-3
2. U-tube bundles, for shell-and-tube heat exchangers 4.2.3-4
3. U-tube (vertical) waste heat boilers, 3.16.2-7 - 3.16.2-8