000 00292nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a628
_bJHO
100 _aJhonson, RJ
245 0 _aEnvironmentals problems nature eco & state
260 _bC B S Pub
_c1992
300 _a211
942 _2ddc
999 _c85773
_d85773