TY  - BOOK
AU  - Bowker, R. R. Co.
TI  - Bowker Serials Bibliography
T2  - Ulrich's International Periodicals Directory- supplement1972
U1  - R/050.25 B6 
PY  - 1972///
CY  - New York
PB  - R. R. Bowker Co.
ER  -