306,322 WORLD Second World Congress on Alternatives and Animal Use in the Life Sciences 20-24 October 1996 Utrecht, The Netherlands : programme and abstracts / guest eds. J.B.F. van der Valk and L.M.F. van Zutphen. - [Nottingham, UK] : FRAME, 1996. - [4], 349 s. ; 24 cm (ATLA Alternatives To Laboratory Animals, ISSN 0261-1929 ; vol. 24, spec. iss.)