00309nam a2200121Ia 450000500170000000800410001704100080005808200150006610000130008124500440009426000410013830000080017920260720174609.0260720s2005    xx            000 0 und d  aeng  a530.1 YOUH  aYoung, M  aAcademic's hands on science experiments  aNew DelhibAcademic Publishersc2005  a96p