See also:
↑ 561palaeobotany and micropalaeontology ≈ S.SPEC.40.ED `26B ↑ 631.4soil science → 551.3 ≈ S.SPEC.40.EB ↑ 910geography in general, biogeography ≈ `11A S.SPEC.40.EC
561
S.SPEC.40.ED
`26B
631.4
551.3 ≈ S.SPEC.40.EB
S.SPEC.40.EB
910
`11A
S.SPEC.40.EC
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