00558nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000140009908200130011310000260012624500510015226000340020330000240023735000100026150000110027150400290028265000290031188689BIBL20160527204326.0710706s1971    nyua     b    00100 eng    a 74141924   a00704959550 aT55b.P37  a614.85/210aPetersen, Dan.2Local10aTechniques of safety managementcDan Petersen.0 aNew YorkbMcGraw-Hillc[1971]  axiv, 250 p.billus.  a14.50  a920922  aIncludes bibliographies. 0aIndustrial safety2Local