There is a clear association of Ziggurats with mountains.

There is a clear association of Ziggurats with mountain houses.

However, not all studies can find a clear association.

All have clear associations with elongated human figures, some flirtatious, others dancing.

More rigorous studies have not demonstrated a clear association.

There was clear and definite association with command-and-control equipment.

A number of them have no clear association with human activity.

The programme was re-branded in 2007 to reflect a clear association with rewards.

'Party' still calls up bad memories and clear associations.

However, a recent review of the evidence has found no clear association.