共 6 条
- [1] ANDERSON RM, 1969, HARVARD BUSINESS REV, V47, P164
- [2] FORRESTER JW, 1969, MATERIALS ENGINEERIN, V70, P35
- [3] SMELT R, 1969, ASTRONAUT AERONAUT, V7
- [4] SPORCH CE, 1969, ELECTRONICS DESIGN, P87
- [5] 1969, MACHINE DESIGN, V41, P110
- [6] 1969, ASTRONAUT AERONAUT, P11