00528nam a22001697a 45000050016000000100018000160200022000340200025000560350018000810370024000990820008001232450043001312600030001742700105002043000031003094900018003402012011608448.0  a B-476635-659  a8121933971c99.00  a9788121932974c99.00  a-B-476635-659  aDPLbBlue Berry/Ven  a535  aLight and lasers /cby Kathryn, whyman  aNew DelhibS. Chandc2010  a7361, Ram Nagar, Qutab Road, bNew Delhie110055k23672080-81-82l011-23677446minfo@schandgroup.com  a32p.bCol.illc29 cm (pbk)  aScience World