TY  - BOOK
AU  - Hertz,David Bendel
TI  - The theory and practice of industrial research
T2  - McGraw-Hill engineering management series
U1  - 607.2 23
PY  - 1950///
CY  - New York
PB  - McGraw-Hill
KW  - Research, Industrial
N1  - Bibliography: p. 355-372
ER  -