共 50 条
- [41] Is an ultrasound machine a "sound" investment for your practice? VETERINARY ECONOMICS, 2001, 42 (02): : A2 - A2
- [42] POWER FACTOR CORRECTION: A SOUND INVESTMENT. Energy Management Technology, 1983, 7 (08): : 40 - 41
- [43] REDUCING AIR POLLUTION: AN ECONOMICALLY SOUND INVESTMENT? Clean Air (Melbourne), 1986, 20 (03): : 77 - 84
- [47] BUILDING TRUST IN YOUR COMMUNITY - A SOUND INVESTMENT TAPPI JOURNAL, 1993, 76 (04): : 266 - 267