AdditionalsSome useful additional models, e.g., from SPICE2 the polynomial sources 
POLY function of SPICE2 

Polynomial voltage controlled voltage source, like SPICE2 

Polynomial voltage controlled current source, like SPICE2 

Polynomial current controlled voltage source, like SPICE2 

Polynomial current controlled current source, like SPICE2 
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This package contains additional useful models which do not belong to the original SPICE3 model set.