TY  - BOOK
AU  - Dye,Joan
AU  - Frankfort,Nancy,coaut
AU  - Byrd,Donald R.H.,project director
AU  - Veltfort,Anna,art director
TI  - Spectrum: a communicative course in English 
T2  - New edition
SN  - 0-13-020538-9
AV  - PE1128 D94
PY  - 1993///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
ER  -