00289nam a2200121Ia 450000500170000000800410001704100080005808200150006610000140008124500240009526000390011930000090015820260720174624.0260720s2006    xx            000 0 und d  aeng  a372.8 YAJE  aYogi, R K  aEnvironment studies  aMangalorebUnited Publishersc2006  a128p