00322nam a22001097a 4500020001500000082001900015100001800034245008900052260003000141300000900171650003200180  a0852745680  a547.308bLET/L  aLetokhov V.S.  aLaser Analytical Spectrochemistry and Photochemistry of biomolecules/cV.S.Letokhov,  aLondonbAdam Hilgerc1986  a412p  aChemistryvSpectrochemistry