共 50 条
- [46] Q2 contracts - Controversy mounts over high Q2 methanol EUROPEAN CHEMICAL NEWS, 1998, 69 (1805): : 10 - 10
- [48] NEW CAPACITY FORCES ETHYLENE PRODUCERS TO AIM FOR LOWER COST, FLEXIBILITY. Oil and Gas Journal, 1985, 83 (35): : 39 - 44
- [49] Contracts - Europe's PX price deal dismays US producers EUROPEAN CHEMICAL NEWS, 1997, 67 (1750): : 10 - 10