@entry{mah-zha-zha-wan-zha-19-aa-powramp,
  author = {H Ma and K Zhao and B Zhang and L Wang...},
  title = {An Early Warning Method Based on Improved Affine Arithmetic for Wind Power Ramp Events in Power System},
  journal = {IOP Conference Series ...,},
  volume = {},
  number = {},
  pages = {},
  year = 2019,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://iopscience.iop.org/article/10.1088/1755-1315/384/1/012199/meta}}},
  quotes = {... This paper is organized as follows: Section 2 proposes an improved affine arithmetic consider correlation of WPREs prediction errors. Section 3 presents the calculation method for ...}
}