Kondratieff identified three phases in the cycle: expansion, stagnation, recession.

He develops his argument by identifying four phases in technological development.

Pike identified three distinct phases for the executions in Huế.

Economic development research has currently identified five phases, or "waves" of economic development practice.

An architectural analysis in the 1990s identified six phases of construction, and suggested that the mansion didn't acquire its full form until around 1815.

The business identified two general phases of ecodesign development.

From these observations, they identified five phases of change in heat budget:

They've identified at least five phases by now.

Scholars have identified two phases in the development of the Indian community after Singaporean independence in 1965.

The Shrikrishna Commission identified two phases to the riots.