000 00285nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a713127252
100 _aWratton, D Stephen
245 0 _aField Laboratory Exercise In Ecology
260 _bEdward Arnold
_aLondon
_c1980
942 _cBK
999 _c10608
_d10608