000 00551nam a22001937a 4500
003 NUST - PNEC
005 20170116180811.0
008 150504b xxu||||| |||| 00| 0 eng d
020 _a8175542532.
040 _cLIBRARY
082 _a363.73875526 AND
100 _93407
_a Andersen, Stephen O,
245 _aProtecting the ozone layer.
_cStephen O Andersen
250 _a-
260 _aIndia:
_bNew Delhi,
_cc 2004.
300 _a513 p . :
650 _93409
_a Protecting the ozone layer.
_xOzone layer depletion--Prevention.
942 _2ddc
_cBK
999 _c63392
_d63392