000 00357cam a2200145ua 4500
041 _aeng
_h
082 _a925
_bWYM/GR
100 _aWymer, Norman .
245 _aGreat inventors /
_cNorman Wymer.
_hTextual Documents
260 _aLondon :
_bOxford University Press ,
_c1957.
300 _a250 ; .
504 _a
942 _cBK
999 _c259800
_d259800