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Here you may specify the publication date of the papers or the
period in which the papers have been published.
This input should consists of two parts: the FROM date and the UNTIL
date.
- However, if there is no entry in the FROM-field, the
search-engine will assume the 1.1.1970 as the beginning; if there is
no entry in the UNTIL-field, the search-engine will assume the
13.12.2037 as the end.
As a general rule, please stick to the format day-month-year
(DD.MM.YYYY), e.g.: "01.10.1998".
- Zeros before single-figure days or months are not
necessary. Thus, the above date may as well be entered as follows:
1.10.1998
- Do not enter dates before the year 1970 – note that there
are no papers older than 1993 in the database – or after 2037.
It is, however, possible to enter less precise dates in the
following form: YYYY or MM.YYYY, e.g.: "1998" or "10.1998".
- Note that the search-engine amplifies automatically your entry:
if e.g. "1998" was your input in the FROM-field the
search-engine assumes that it is "1.1.1998", and if you
entered "10.1998" in the UNTIL-field, it will be expanded
to "31.10.1998" to cover the whole month.
If you want to search for a paper of one particular date,
please enter this date in both fields (FROM and UNTIL). |
