00294nam a2200121Ia 450000500170000000800410001704100080005808200150006610000150008124500240009626000430012030000090016320260720174623.0260720s2006    xx            000 0 und d  aeng  a510.2 BATT  aBatra, S K  aTogether with maths  aNew DelhibRachana Sagar Pvt Ltdc2006  a372p