000 00329nam a2200097Ia 4500
008 220729s1986 xx 000 0 und d
041 _aeng
100 _aWHO
245 _aEnvironmental health criteria 51:guide to short-term tests for detecting mutagenic &carcinogenic chemicals
260 _aGeneva
_bWHO Regional Publications
_c1986
999 _c127918
_d127918