TY  - BOOK
AU  - ROBERTSON,Dennis Holme
AU  - 
TI  - A study of industrial fluctuation : 
U1  - 332.41/ROS 
PY  - 0000///King & Son.
PY  - 1948///
CY  - London 
KW  - Fluctuation.
KW  - Fluctuation
N1  - Includes index and bibliography.
ER  -