000 00353nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a778.1 L2
100 _aBritish Standard Institute (Anonymous)
245 _aPD6463 :1972 Microfilm in the office : an introduction to microscopying
260 _a1972
_bB.S.I.
_cLondon
300 _a11
942 _cBK
999 _c57773
_d57773