+  -  title. author. journal, 2009,10(1) :22-23.
@ARTICLE{hah,
|      author = {author},
|      title = {title},
|      journal = {journal},
|      year = {2009},
|      volume = {10},
|      number = {1},
|      pages = {22-23},
|      month = {},
|      note = {},
|      type = "J",
|+ |-     doi = {},
    doi = {},
|| }