01214nam0-22003851i-450-99000133427040332120110721110526.0000133427FED01000133427(Aleph)000133427FED0100013342720001205d1991----km-y0itay50------baengITCombinatorics '88Proceedings of the International Conference on incidence geometries and combinatorial structures, Ravello, Italy, 23-28 May, 1988Edited by A. Barlotti ... [et al.]CosenzaMediterranean Press19912 v.25 cmResearch and lecture notes in mathematicsGeometria combinatoriaCongressiGeometria algebricaCongressiCombinatoriaCongressi511.6Barlotti,AdrianoITUNINARICAUNIMARCBK990001334270403321122-C-11-(111191MA1122-C-12-(211192MA1122-C-42-(124837MA1122-C-42-(224838MA1MA151-0614-06Combinatorics '88376009UNINA