TY  - BOOK
AU  - Maynard, Harold
AU  - G J Stegemerten 
AU  - John L Schwah
TI  - Methods-time measurement
T2  - Mc Graw Hill industrial organization  and management series
U1  - 658.542 1 
PY  - 1948///
CY  - New York
PB  - McGraw-Hill
KW  - Time measurement
ER  -