1. Bubble formation at an orifice in an inviscid liquid;Davidson;Chemical Engineering Research and Design,1960
2. Bubble formation at an orifice in a fluidised bed;Harrison;Chemical Engineering Research and Design,1961
3. A note on bubble formation at an orifice in a fluidised bed;Nguyen;Chemical Engineering Science,1972
4. Gas discharge from an orifice into a gas fluidised bed;Rowe;Chemical Engineering Research and Design,1979
5. Bubble formation and grid design;Zenz;Institution of Chemical Engineers Symposium Series,1968