000 00346nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a577.486(04) L5
100 _a"Whittaker, R.H. & Levin, S.A., Ed."
245 _aNiche : Theory and application
260 _a1975
_bDowden Hutchinson & Ross Inc.
_cPennsylvenia
300 _a448
942 _cBK
999 _c59719
_d59719