00300nam a2200109Ia 4500008004100000020001800041082001500059100002200074245004000096260004600136300000800182190710s9999    xx            000 0 und d  a81-7596-313-1  a304.28 C33  aAsolekar, Shyam R 0aPreventive environmental management  aAhmedabadbCentre for Envirnment Edc2005  a630