000 00272pam a2200109a 44500
082 _a620.03
_bB77Y
100 _aBritish Standards Institutions
245 1 _aYEAR BOOK, 1972
260 _aLondon
_bBritish Standards Institution
_c1972
964 _gCIRC
997 _a19498 C
999 _c415321
_d415321