Environmental Health - Toxic Substances Hydrology Program

Bibliographic Data Base Search Help

Search Fields

Year

  • You can limit your search to publications from a single year by typing in a full four digit year, such as "2000", in one of the two year text input lines or limit your search to a range of years by typing in the upper and lower bounds in the two year text input lines.
  • The following entries will generate a pleasant error message.
    • Not entering the full four-digit year. Entering "96" or "04" will generate a pleasant error message.
    • Entering a nonnumeric character.
    • Entering a date older than the oldest date in the data base. The oldest reference in the data base was published in 1966.
    • Entering a date greater than the current year.

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