عنوان
پدید آورنده
موضوع
رده
QE 509 .O6
QE
509
.
O6
کتابخانه
محل استقرار
66673
آخر۲۷
)20(
Open university.Science Foundation Course Team
The Earth, its shape, internal strneture and composition.The Earth's magnetic field
Bletchley, Eng
Open University Press
c1971
74,45p. illus. )part col.( 30cm
Science Foundation course units 22 and 32
Cover title
، Earth-- internal structure
، Magnetism, Terrestrial
QE
509
.
O6
AU
TI
TI The Earth's magnetic field
02
