continental drift
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8
)
continents
(
5
)
dérive
(
5
)
congresses
(
2
)
continental displacement
(
2
)
drift, continental
(
2
)
drifting of continents
(
2
)
europa
(
2
)
europe
(
2
)
identification
(
2
)
kontinentalverschiebung
(
2
)
marine
(
2
)
oceanography
(
2
)
1880-1930
(
1
)
1900-1975
(
1
)
addresses, essays, lectures
(
1
)
addresses, essays, lectures.,addresses, essays, lectures
(
1
)
agriculture sciences
(
1
)
ane
(
1
)
ane,europe
(
1
)
aquatic biology
(
1
)
aquatic sciences
(
1
)
astrofísica
(
1
)
astrographic catalog and chart
(
1
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astronomia
(
1
)
astronomical physics
(
1
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astronomie
(
1
)
astronomie, kartografie
(
1
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astronomy
(
1
)
astronomy - addresses, essays, lectures
(
1
)