00291nam a2200121Ia 450000500170000000800410001704100080005808200130006610000190007924500260009826000370012430000080016120260720174613.0260720s2001    xx            000 0 und d  aeng  a500 SARS  aSardana, Vimal  aScience of technology  aNew DelhibBlue Bird Booksc2001  a48p