000 00563nam a2200181Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
010 _a88-51743
020 _a0-916468-88-7
040 _aNITIL
_cNITIL
082 _221st
_a553.14
_bS539P
100 _aShea, Cynthia Pollock
245 0 _aProtecting life on earth
_bsteps to save the ozone layer
_cCynthia Pollock Shea
260 _aWashington
_bWorldwatch Institute
_c1988
300 _a48p.
440 _aWorldwatch paper; 87
650 _aOzone layer; Atmospheric ozone; Ozone layer depletion
942 _cBKS
999 _c32550
_d32550