000 00274nam a2200097Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
100 _aArumugam, N.
_923671
245 _aConcepts of ecology (Environmental biology)
250 _b1998. x-424
260 _bSaras. KanyaKumari, India
999 _c23447
_d23447