00469nam a22001337a 4500008004100000040005500041080002400096245010700120260003500227300001100262650001900273653001400292700002900306230517b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a574.2.083.138.4bL8  aApplication of short term bioassays in the fractionation and analysis of complex environment mixtures   aLondon: bPlenum Press, c1978  a588p.   aEnvironmental   aFraction 10aWaters, Michael D (Ed.)