000			00451nam a22001457a 4500
008			190619b xxu||||| |||| 00| 0 eng d
020			_a0029411475
050			_aQ 121 _b.T974 1991 vol.7
100			_aClint Twist
245			_aMacMillan encyclopedia of science: _bThe environment/ _cClint Twist
260			_aNew York: _bMacMillan Publishing Company _c1991.
300			_a96 p. ; col. ill. : 280 cm.
440			_aThe Environment
942			_2lcc _cBK
999			_c361910 _d361910