00301nam a2200121 a 4500008004100000020001500041050001500056100001800071245003300089260002600122300002200148350000900170120416s0000    ||||||||||||||||| ||    u  a0582412331  aTA 439 Gun  aGunning, J. G10aConcrete technology, level 4  aLondonbLongmanc1983  aviii, 294p. : ill  a0.00