.245
aForaminifera from the middle eocene in the southern part of the Netherlands province of Limburg.
hBook
.100
aBellen Robert Carel Van
.005
a00000000000000
.260
aMaastricht: Ernest Van Aelst, 1946.
b
c2000
.084
a322.420 95 TAM
.300
a144 hlm.
b 27 cm.
c144 hlm.; 27 cm.
.336
aBook