000 002900000a22001330004500
245 _aBlock eopolymers
100 _aAllport, D.C., ed.
100 _aJanes, W.H.
260 _aLondon
_bApplied Science
_c1973
300 _a620 p.
080 _a678-13
_bA4
041 _aEN
942 _cBK
999 _c104961
_d104961