共 50 条
- [1] Pfeifer&Langen, Cologne, plans to expand European market position ZUCKERINDUSTRIE, 1997, 122 (07): : 560 - 562
- [4] Pfeifer&Langen: Stable profits at nearly constant turnover ZUCKERINDUSTRIE, 1996, 121 (07): : 534 - 535
- [6] Pfeifer and Langen: Unchanges turnover despite difficulties in the glucose market ZUCKERINDUSTRIE, 1998, 123 (07): : 542 - 544