TY  - GEN
AU  - Syer, Joseph R.
AU  - Gatzke, Hans W.    
TI  - The mainstream of civilization
SN  - 015551573x
U1  - UA007663 
PY  - 1984///
CY  - Floreda
PB  - Harcourt Brace Jovanovich
KW  - HISTORY AND GEOGRAPHY
ER  -