000 00313nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a628.53 W447
100 _aWELLBURN.A
245 0 _aAIR POLLUTION AND ACID RAIN: BIOLOGICAL IMPACT
260 _aSINGAPORE
_bLongman
_c1988
300 _a23X15
942 _cBK
_2DDC
999 _c21624
_d21624