000 00506nam a2200181Ia 4500
999 _c21868
_d21868
001 21566
003 PK-LaUMT
005 20221004172546.0
008 140409s9999 xx 000 0 und d
040 _cPK-LaUMT
082 _aW 668.4239
_bTEC-
100 _aUNEP
245 _aTechnoology progress on protecting the ozone layer:
_bflexible and rigid foams technical options report
_cUNEP
260 _aNew York,USA:
_bUnited Nations,
_c1989
300 _a85 p.
546 _aEN
942 _cWEEDED OUT
_2ddc