convention |

keyword     | country     |

dept        | institut    | street      | city        | state       |
zip         | 

abstract    | cit         | coden       | copyright   | jour        |
vol         | isbn        | issn        | issue       | numb        |
occasion    | organizer   | pages       | publisher   | sect        |
serno       | year        | pubtype     | medium      | title       |

firstname   | lastname    | initials    |

comment   |
status    |

end1 | end2 |
to   | from |
head | tail