00389cam a2200145ua 4500020001000000041001000010082001900020100002300039245008300062250001200145260005900157300001200216365001000228504000500238  c21.00  aengh  a030.54bCLA/EN  aClark, George L  .  aEncyclopaedia of chemistry (Supplement) / cGeorge L Clark.hTextual Documents  a1 / b.  aNew York : bReinhold Publishing Corporation , c1958.  a330 ; .  a21.00  a