00396nam a22001337a 4500008004100000040005500041245004000096260003900136300001500175500001700190650001300207653001500220700002700235230802b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aAdvances in heterocyclic chemistry   aNew York: bAcademic Press, c1978  aix, 487p.   aVol. 23 1978  aScience   aChemistry   aKartritzky, A R (Ed.)