000 00259 a2200109 4500
082 _a551.5
_bW893t
245 1 _aTECHNICAL REGULATIONS
260 _aGeneva
_bWorld Meteorological Organization
_c1971
300 _aix
964 _gCIRC
997 _aA19633 v. 1 C
999 _c459800
_d459800