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 ↑ 338.2               mining economics         → 622       

 
See also:

 ↑ 622               mining engineering  → 338.2  553  ≈ `8Bmin  `8Fmin 
 ↑ 622.33               hydrocarbons excavation  → 338.2728 
 ↑ 915.6               Middle East  → 320.956  338.2728  956 

 

SciGator: explore University of Pavia libraries... — <http://scigator.unipv.it/indexe.php> : 2017.02.14 - 2024.11.12 -
« <http://www-dimat.unipv.it/biblio/dewey.php> : 2015.06.18 - 2017