Abser, Mohammed Nurul (1991) Synthesis of metal containing liquid crystals. Doctoral thesis, Lancashire Polytechnic.
Li, Jianchang (1991) Studies in Naphthopyran chemistry. Doctoral thesis, Lancashire Polytechnic.
Pulukkody, Padma Kanthi (1991) Routes to complexes of open chain polyethers. Doctoral thesis, Lancashire Polytechnic.
Roscoe, Jane Caroline (1991) Unsymmetrical tridentate phosphine ligands. Doctoral thesis, Lancashire Polytechnic.
Unsworth, Christine (1991) The chemistry of some triphenylmethane dyes. Doctoral thesis, Lancashire Polytechnic.
Zhongqiang, Li (1991) Segmentation of textured images. Doctoral thesis, Lancashire Polytechnic.