000 00303nam a2200121Ia 4500
008 160710s1993 xx 000 0 und d
082 _a628.03 YOU
100 _aYOUNG,P.C.
245 _aCONCISE ENCYCLOPEDIA OF ENVIRONMENTAL SYSTEM
260 _bPERGAMEN PRESS
_c1993
300 _a768
942 _2ddc
_cB
999 _c50569
_d50569