00670     2200229   4500001002100000005001500021035002000036007000300056008004100059082001100100084001700111100001700128245011700145260004600262300003900308650001100347650001300358650002500371700001700396700001600413990001100429INLIS00000000000111920240419041736  a0010-0424000055ta240419                g          0 eng    a624.12  a624.12 MEH t0 aMEHRING, C.W1 aTipton and Kalmbach :bConsulting Engineers /cC.W. Mehring, E.R. Mighell, D.D. Helton, A.J. Deutch, J.H. Turner  aColorado - USA :bDenver, Colorado,c1980  a80 hal :bils.; lamp ;c21 x 29 cm 4aTipton 4aKalmbach 4aConsulting Engineers0 aMIGHELL, E.R0 aHELTON, D.D  a001628