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 ↑ 304.2               human ecology         → 363.7 577      

 
See also:

 ↑ 363.7               pollution, environmental concerns  → 304.2  344.046  628.5  632.95 
 ↑ 577               ecology  → 304.2  333.95  344  363.7 

 

SciGator: explore University of Pavia libraries... — <http://scigator.unipv.it/indexe.php> : 2017.02.14 - 2020.09.29 -
« <http://www-dimat.unipv.it/biblio/dewey.php> : 2015.06.18 - 2017.02.14