00302nam a2200109Ia 450000500170000000800410001702000180005808200150007624500480009126000440013930000090018320260205105309.0260111s9999||||xx |||||||||||||| ||und||  a9788184510218  a001  M299H 0aHow things work/compiled by Meesha MAlhotra  aNew delhibDreamland publicationsc2008  a80p.