000 00372nam a2200169Ia 4500
001 625
008 240126s9999||||xx |||||||||||||| ||und||
020 _cUKP 1.45
037 _cUKP 1.45
082 _a510 USI
245 0 _aUsing letters instead of numbers
260 _aMilton Keynes
260 _bOpen University Press
260 _c1971
300 _a24p.
942 _cBK
999 _c625
_d625