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040 _aAM-YeSLU
041 _aeng
100 1 _aPeterson, Patricia Wilcox
245 1 0 _aChanging Perspectives :
_ba review of the English tense system /
_cby Patricia Wilcox Peterson
_nBook 1
260 _aWashington, D.C. :
_bUnited States Information Agency.,
_cS. d.
300 _a160 p. :
_bill.
650 1 4 _aPerspectives
650 1 4 _aEnglish
700 1 _aPeterson, Patricia Wilcox
942 _cHB
_2udc
999 _c35693
_d35693