00281nam a2200109Ia 4500008004000000082001300040100002200053245003200075260003300107300001100140650002000151210210b1966   xxu||||| |||| 00| 0 eng d  a530 KEIS  aKEIGHLEY (H J P).  aSummary of A-level physics.  aLondonbPergamon Pressc1966  aix,134  aA-level physics