00348nam a2200121 a 4500008004100000020001500041050001600056100001800072245006500090260004000155300002200195350000900217120416s1953    ||||||||||||||||| ||    u  a0471663301  aTH 2392 Par  aParker, Harry10aSimplified design of roof trusses for archtects and builders  aNew YorkbJohn Wiley and Sonsc1953  axiv, 278p. : ill.  a0.00