Fountain Model

The model is created by Henderson-Sellers and Edwards, but it is a little bit difficult to find information about it online.
The process will have following phases:
– Requirements Phase
– Object Oriented Analysis Phase
– Object Oriented Design Phase
– Implementation Phase
– Implementation and Integration Phase
– Maintenance

Here are some reference.
PROJECT SECME Project Management Plan EEL5881 SOFTWARE ENGINEERING FALL 2002
page 5 of Rigorous Management and Assessment of Object Oriented Projects
Page 18 (physical page 28) Configuration Management for Performance Reporting in Telecommunication Networks
A brief introduction in Object-Oriented and Classical Software Engineering (Stephen R. Schach)