000			00546nam a22002057a 4500
003			OSt
005			20160513171013.0
008			160513b xxu||||| |||| 00| 0 eng d
020			_a0632035463
040			_cDDC.
082			_a591.5KRE 1999.
100			_aKrebs,J.R;Davies,N.B; _98785
245			_aAn introduction to behevioural Ecology.
250			_a3rd ed.
260			_aUSA. _bBlackwell sciences. _c1999.
300			_axii,420p; _bill; _c24cm.
504			_aincludes reference and index.
650			_aBiology. _95602
942			_2ddc _cSLOAN
999			_c4025 _d4025