000 00308pam a2200133a 44500
082 _a665.7
_bN731g
100 _aNonhebel, Gordon
245 1 _aGAS PURIFICATION PROCESSES
260 _aLondon
_bG. Newnes
_c1964
300 _a894
650 _aGases -- Purification
964 _gCIRC
997 _a31364 C
999 _c418965
_d418965