00309nam a2200121Ia 4500008004100000020001800041082001500059100002300074245002400097250001200121260004600133300000800179190710s9999    xx            000 0 und d  a81-203-1148-5  a574.5 K 84  aKormondy, Edward J 0aConcepts of ecology  a4th Ed.  aNew DelhibPrentice Hall Of India Pc2001  a559