? functors.- Coordinate-free spectra.- Orientation theory.- E? ring spectra.- On kO-oriented bundle theories.- E? ring spaces and bipermutative categories.- The recognition principle for E? ring spaces.- Algebraic and topological K-theory.- Pairings in infinite loop space theory.

? functors.- Coordinate-free spectra.- Orientation theory.- E? ring spectra.- On kO-oriented bundle theories.- E? ring spaces and bipermutative categories.- The recognition principle for E? ring spaces.- Algebraic and topological K-theory.- Pairings in infinite loop space theory.