000 00309nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _a697.93
_bBAR
100 _aBarton, JJ
245 0 _aEstimating for heating & ventilating
260 _bLondon: newsness butter worths
_c1968
300 _a240
942 _2ddc
999 _c76638
_d76638