共 19 条
[11]
KRATZ LA, 1982, 4049 AN SERV CORP TE
[15]
RAMASESH RV, 1993, NAV RES LOG, V40, P279, DOI 10.1002/1520-6750(199303)40:2<279::AID-NAV3220400210>3.0.CO
[16]
2-W
[17]
SCULLI D, 1990, J OPER RES SOC, V41, P873, DOI 10.2307/2583503
[19]
THESIS PENNSYLVANIA