000 00269nam a22001217a 4500
050 _aQH 541.14
_b.B9
100 _aBuck,Joyce
245 _aBIOL*2060 DE Ecology
260 _aUS:
_bUniversity of Guelph,
_c2007.
300 _a657p.
650 _xecology
942 _2lcc
_cGEN
999 _c9209
_d9209