The square model derives from the sociological theory of the four paradigms for the analysis of social theory.
All updated 86-89 models have the advantages of the more modern 4 pot brakes, larger discs, and suspension derived from the W124 sedan.
These models are either fundamental to the number four, or derived eight in number or compounded, which vary to infinity.
Previous models derived their equations from this approximation.
The triune-brain model derives from studies of comparative neuroanatomy and behavior.
The normal-ogive model derives from the assumption of normally distributed measurement error and is theoretically appealing on that basis.
At least one new model derives from the second generation Volkswagen Jetta.
Such models can derive valuable solutions for more complex cases.
His winning model showed Haig riding a classical charger befitting a hero, derived from Hardiman's studies of renaissance equestrian sculpture.
The econometric models described above can derive current fertility from current socio-economic indicators.