000 00279nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a542.1
_bMAN
245 0 _aGuide to safety in the chemical laboratory
250 _aEd.2
260 _aNew York
_bVan Nostrand
_c1972
942 _cBK
999 _c22372
_d22372