TY  - BOOK
AU  - Clark,T.D.G.
AU  - Kerridge,D.J.
AU  - Harris,T.J.
ED  - British Geological Survey
TI  - Magnetic Results 1995: Lerwick, Eskdalemuir and Hartland Observatories 
T2  - Geomagnetic Bulletin. 25
SN  - 9780852722732
PY  - 1996///.
CY  - Edinburgh: 
PB  - British Geological Survey, 
N1  - Includes bibliographical references (p. 13)
ER  -