000 00290nam a22001217a 4500
040 _cRUA
082 _a513 GLE 1993 A118 Or.
100 _aBalch, Kay.
245 _aMathematics : applications and connections.
260 _aPhnom penh
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_c1993
300 _axx.607p.
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942 _cREC
999 _c21466
_d21466