1. Anonymous (2002) BASF increases prices for 1,4-butanediol and derivatives. Chem Mark Rep 262:8
2. Anonymous (2004) Present status and projection of γ-butyrolactone. China Chem Rep 15:23–25
3. Anonymous (2005a) 1,4-Butanediol. Chem Mark Rep 268:42
4. Anonymous (2005b) Lanxess ups maleic anhydride capacity. Chem Mark Rep 267:4
5. Anonymous (2005c) Prices & people. Chem Mark Rep 267:16–18