This is BibTeX, Version 0.99d (TeX Live 2021)
Capacity: max_strings=200000, hash_size=200000, hash_prime=170003
The top-level auxiliary file: output.aux
The style file: plainnat.bst
Database file #1: li_223.bib
You've used 38 entries,
            2773 wiz_defined-function locations,
            821 strings with 12735 characters,
and the built_in function-call counts, 21267 in all, are:
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:= -- 3107
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substring$ -- 930
swap$ -- 208
text.length$ -- 16
text.prefix$ -- 0
top$ -- 0
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while$ -- 184
width$ -- 0
write$ -- 493
