Reference V-indexed categories [locally-graded-cats]

 @inproceedings
{locally-graded-cats, address={Berlin, Heidelberg}, title={V-indexed categories}, ISBN={978-3-540-35762-9}, DOI={10.1007/BFb0061362}, booktitle={Indexed Categories and Their Applications}, publisher={Springer}, author={Wood, R. J.}, editor={Johnstone, Peter T. and Paré, Robert and Rosebrugh, R. D. and Schumacher, D. and Wood, R. J. and Wraith, G. C.}, year={1978}, pages={126–140},language={en} }