00579nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006902000220008405000170010608200130012310000260013624500380016226000290020030000280022950400510025765000290030865000360033741502BIBL20180707021735.0760704s1976    nyua     b    00110 eng    a 76025101   a0814453929c12.950 aHD7261b.P48  a658.38/210aPetersen, Dan.2Local10aSafety supervisioncDan Petersen.0 aNew YorkbAMACOMcc1976.  ax, 211 p.bill.c24 cm.  aIncludes bibliographical references and index. 0aIndustrial safety2Local 0aSupervision of employees2Local