https://www.sciencedirect.com/science/article/abs/pii/S0165032720326793?casa_token=wnfP3mIZQ84AAAAA:OUwecruhv-yph5QyzhmJwCRcg8_51t4i-TmWPU42ZGYf1bQiefEBWcg7QgtdTpAVbg7yQvL7_nZ9