00328nam a2200121Ia 450000500170000008000180001710000190003524500690005425000120012326000350013530000170017058300190018720260716043049.0 a13.04.01 M681 aMitchell, Evan aEmployers guide to the law on health, safety and welfare at work a2nd ed. bBusiness BooksaLondonGBc1980 axxii, 474 p. c3/7/00kM2LMGR