000			00457nam a2200181Ia 4500
005			20250220125842.0
008			250220s9999||||xx |||||||||||||| ||und||
020			_a0851869076 _c£42.50
040			_aMAIN
041			_aEnglish
082			_a333.7 _bHES
100			_aHester, R. E.
245			_aUnderstaniding our environment
260			_aLondon _bThe Royel Society of Chemistry _c1986
300			_axiii,333p.
650			_aEnvironment
942			_cBK
999			_c42646 _d42646