00261nam a2200109Ia 4500008004000000082001500040100002000055245002100075260003900096300000700135650000900142210210b1968   xxu||||| |||| 00| 0 eng d  a546.7 OLIW  aOLIVER (H P H).  aWhat is an acid?  aLondonbNuffield Foundatiionc1968  a16  aAcid