TY  - BOOK
AU  - RODOSHO SEISAKU CHOSHA BU Ed.
TI  - Koyo kanri no jittai
U1  - X:9.42.N91, N1 
PY  - 1991///
CY  - Tokyo
PB  - Rodo Horei Kyokai Japan   
KW  - JL
ER  -