000 00276 a2200109 4500
008 190220b xxu||||| |||| 00| 0
100 _aTownsend, Colin R.
245 _aEssentials of Ecology /
_cColin R. Townsend
260 _bJohn wiley & Sons
300 _a532p.
942 _2ddc
_cBK
999 _c8738
_d8738