00619nam 2200205 450 1650060http://id.bnportugal.gov.pt/bib/porbase/16500600-7546-5259-9(bn)165006020070621d2006 m y0pory0103 baengGBa z 001yyrGunpowder, explosives and the state?a ?technological historyed. Brenda J. BuchananAldershotAshgate2006425 p.il.24 cm662.3(091)(042)BNpor1315776BuchananBrenda J.3401286314PTBNRPCACIENLACIENLAv. C 18725BNFGMONS.A. 118518 V.3CMELVCMELV662 GUN