00274nam a22000977a 450000500170000000800410001702000150005804000080007324500500008126000450013120200903145415.0200903b           ||||| |||| 00| 0 eng d  a0719529336  cCML  aThe Shapes of Organic Molecules.cClark, N.G.  aGreat BritainbJ.W. Arrowsmith Ltdc1977