000 00643nas a2200205 a 4500
001 141776
003 PUCPR
005 20260519152857.0
008 920917d19919999pr fr p r 0 0spa
040 _aPUCPR
_bspa
_erda
245 0 0 _aClase mundial /
_cDu Pont Puerto Rico, Du Pont Merck Pharma.
260 0 _aSanturce, P.R.
_c1991-
264 1 _aSanturce, P.R. :
_bBurson-Marsteller,
_c1991
300 _avolumes :
_bcolor illustrations ;
_c28 cm.
336 _atxt
337 _2rdamedia
_an
338 _2rdacarrier
_anc
650 0 _aManufacturing industries
_9130616
_vPeriodicals
_zPuerto Rico
942 _2ddc
_c22
999 _c119090
_d119090