code: @Pure
  	public static GeodesicPosition EL2_WSG84(double x, double y) {
  		final Point2d ntfLambdaPhi = NTFLambert_NTFLambdaPhi(x, y,
  				LAMBERT_2E_N,
  				LAMBERT_2E_C,
  				LAMBERT_2E_XS,
  				LAMBERT_2E_YS);
  		return NTFLambdaPhi_WSG84(ntfLambdaPhi.getX(), ntfLambdaPhi.getY());
  	}
docs: This function convert extended France Lambert II coordinate to geographic WSG84 Data.
  
  @param x is the coordinate in extended France Lambert II
  @param y is the coordinate in extended France Lambert II
  @return lambda and phi in geographic WSG84 in degrees.