TY  - BOOK
AU  - Floberg,Leif
TI  - The earth's invisible walls and their lethal intersections
SN  - 9188558061
U1  -  538 23rd ed.
PY  - 1994///
CY  - Lund
PB  - Lund Technical University
KW  - Magnetic fields
KW  - Physiological effect
KW  - Trees
KW  - Effect of radiation on
KW  - Sweden
ER  -