Add new study: Kocacinar_2003

[ehwenk]

• add new study with hydraulics traits
• no contact with author
• all data transcribed from tables in the manuscript or digitised from figures

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (6a730b0) 80.20% compared to head (e161df4) 80.20%.

:exclamation: Current head e161df4 differs from pull request most recent head 20dbd32. Consider uploading reports for the commit 20dbd32 to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #708 +/- ## ======================================== Coverage 80.20% 80.20% ======================================== Files 7 7 Lines 1531 1531 ======================================== Hits 1228 1228 Misses 303 303 ```

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