000 00289nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a542.2
_bPRU
245 0 _aPrudent practices for handling hazardous chemicals in laboratories
260 _aWashington
_bNational Academic
_c1981
942 _cBK
999 _c36829
_d36829