000 00261nam a2200121Ia 4500
100 _aCrowther, J. G
942 _cBK
245 _aSix Greal -Inventors
260 _aLondon
_bHamishtlamilton
_c1954
082 _a926
_bCro
300 _a235PP
546 _aEnglish
999 _c331976
_d331976
041 _aeng