000 002680000a22001090004500
245 _aPolymers in concrete : proceeidngs of...
260 _aLancaster
_bConsruction Press
_c1976
300 _a457 p.
080 _a624.012.41:678.026
_bI6
041 _aEN
942 _cBK
999 _c103552
_d103552