000 00242 a2200109 4500
080 _a542.32
_bK 91 U
245 1 _aUse and care of a balance
_cby P.J. Krayer
260 _c1913
650 _aChemistry
100 1 _aKrayer, P.J.
_d
901 _a406
999 _c26485
_d26485