TY  - GEN
AU  - KATZENSTEIN, H.
AU  - SACHS, W.  S.
TI  - Direct   Marketing
SN  - 0-675-20305-8
U1  - 658 .8 KAT 
PY  - 1986///
CY  - London
PB  - Charles E Merrill publishing Company
ER  -