000			00321nam a2200133Ia 4500
008			160316s1973 xxu||||| |||| 00| 0 eng d
020			_a412113309
100			_aM.B.Usher
245			_aBiological Management And Conservation
250			_a1st
260			_aLONDON _bCHAPMAN AND HALL _c1973
300			_a394
700			_a _a
999			_c29857 _d29857