000 00347nam a2200121 i 4500
008 090515s1988 sp g eng
080 1 _a811.111
245 0 _aEcology.a practical introduction with projects & activities.
_c/ Richard Spurgeon
250 _a 1ยช
260 _c,1988
300 _a48
997 _dFalta ISBN
_e1