TY  - BOOK
AU  - Hester, R. E.  .
TI  - Causes and environmental implications of increased UV-B radiation / 
SN  - 0-85404-265-2
U1  - G:55(F) 
PY  - 2000///
CY  - Cambridge : 
PB  - Royal Society of Chemistry , 
KW  - Biology- Environmental- UV-B radiation
ER  -