TY  - GEN
TY  - GEN
T1  - The philosophy of nature
T2  - Duquesne studies
A1  - Melsen, Andreas Gerardus Maria van
LA  - eng
PP  - Pittsburgh
PB  - Duquesne University Press
YR  - 1961
ED  - 3d ed
UL  - https://kansalliskirjasto.finna.fi/Record/fikka.222453
OP  - 265
KW  - Philosophy of nature.
ER  -