         self.init(symbol: symbol, converter: UnitConverterLinear(coefficient: coefficient))
     }
     
-    
     open class var newtonsPerMetersSquared: UnitPressure {
         get {
             return UnitPressure(symbol: Symbol.newtonsPerMetersSquared, coefficient: Coefficient.newtonsPerMetersSquared)

    /*
     Base unit - metersPerSecondSquared
     */

    public required init(symbol: String) {
        fatalError("init(symbol:) has not been implemented")
    }

    public required init(symbol: String, converter: UnitConverter) {
        super.init(symbol: symbol, converter: converter)
    }
    
    private struct Symbol {
        static let metersPerSecondSquared   = "m/s²"

    /*
     Base unit - kelvin
     */
    
    private struct Symbol {
        static let kelvin     = "K"
