00362nam a2200145Ia 450000500170000000800410001708200120005810000200007024500360009026000400012630000100016665000160017694200070019299900170019920240821151649.0240821s9999||||xx |||||||||||||| ||und||  a511 TRG  aTrevelyan, John 0aTeachers book to ways and means  aLondonbLongmans Green and Coc1955  av,33p  aMathematics  cBK  c38564d38564