✧  SciGator  ✧      

Explore University of Pavia libraries...          


⬉ home  Browse subclasses ↓                           ...then launch a search by the buttons beside   [help]it / en           
 ↑ 23D               mining geology. Geology of fossil coals         ≈ 553.2    

 
See also:

 ↑ 553.2               hydrocarbons, fuels    ≈ `23A  `23D 

 

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