00307nam a2200109Ia 4500008004100000041000800041082001700049100002000066245003900086260006400125300000800189231229s2005    xx            000 0 und d  aeng  a372.352bKUR  aKURIAN (Joseph)  aEssentials of Enviromental Studies  aNew DelhibPearson Education Delhi, Harlow, Singaporec2005  a503