00353nam a22001337a 450000500170000002000150001708200130003210000150004524500320006026000390009230000200013165000500015170000180020120251122140507.0  a0713523735  a540bAIN  aAinley, D.  aChemistry in Today's world/  aLondon:bBell & Hyman Ltd.,c1987.  avii,408p,bill.  aParticles of substances, Families of elements  aJ.N. Lazonby