Primary tumours of the synovium. A report of four cases of malignant tumour.

How do workers of the primitively eusocial wasp Ropalidia marginata detect the presence of their queens?

Primary atypical sacral meningioma--not always benign.

A possible novel function of dominance behaviour in queen-less colonies of the primitively eusocial wasp Ropalidia marginata.

Familial chordoma. A report of two cases.

Methanogenesis from volatile fatty acids in downflow stationary fixed-film reactor.

Microbial desulphurization of heavy oils and bitumen.

A kinetic model for methanogenesis of acetic acid in a multireactor system.

Extractive spectrophotometry of the molybdenum (III) 1,10-phenanthroline thiocyanate and 2,2'-bipyridyl thiocyanate complexes.

Spectrophotometric determination of vanadium with 1,10-phenanthroline.

Conductance of salts in diethanolamine as a non-aqueous solvent.