00390nam a22001457a 4500008004100000040005500041080001600096100001900112245001800131260003500149300001300184650001500197653001300212700001900225230522b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a678.743bK2  aTopchiev, A V   aPolyolefines   aLondon: bPergam Press, c1962  axi, 92p.  aIndustries  aPolymers  aKrentsel, B A