00539nam a22001817a 45000050014000000100017000140200023000310200026000540350017000800370024000970820010001211000017001312450039001482600032001872700090002193000025003094900023003342012011710055  aB-469434-462  a8173011818c160.00  a9781730118180c160.00  aB-469434-462  aDPLbBlue Berry/Ven  a621.9  aChawla, Anuj  aHow Does it Work /cby Anuj Chawla  aNew DelhibDreamland c2011  aJ-128, Kirti NagarbNew Delhie110015k011-25106050l011-25438283mdreamland@vsnl.com  a64p.bCOL.illc28 cm  aKnow About Science