docs: @Pure
  	public static Point2d WSG84_L2(double lambda, double phi) {
  		final Point2d ntfLambdaPhi = WSG84_NTFLamdaPhi(lambda, phi);
  		return NTFLambdaPhi_NTFLambert(
  				ntfLambdaPhi.getX(), ntfLambdaPhi.getY(),
  				LAMBERT_2_N,
  				LAMBERT_2_C,
  				LAMBERT_2_XS,
  				LAMBERT_2_YS);
  	}