00370nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000230010410000200012724500490014726000280019619830UR20220427164701.0061103|||||||||||||||||||||||||||||||| d  a(janium) 19819  a(janium)19818 4aQD281b.P6L46 19671 aLenz, Robert W.10aOrganic chemistry of sinthetic high polymers  bJohn Wiley & Sonsc1967