00289nam a2200121Ia 450000500170000000800410001704100080005808200150006610000150008124500210009626000410011730000090015820260720174617.0260720s2005    xx            000 0 und d  aeng  a530.1 YOUF  aYoung, M S  aFun with Science  aNew DelhibAcademic Publishersc2005  a104p