https://www.sciencedirect.com/science/article/pii/S0016328718301319?casa_token=sD0yVxuSnqwAAAAA:PEaTnjtz8wBTk1268mDZmB8b9Ap5aAoPZQ2UVUT5Itpm215j8RER0OtDgJ34P-jtxSfjinJIr1hZ 2018 Technology Low