000 00552nam a2200205#a 4500
001 vtls000004586
008 230822s1988 xx 000 0 eng d
040 _aJPS
090 0 0 _aUN 54 551.495 UNI
110 _aUNITED NATIONS.
_eissuing body
245 0 _aGROUND WATER IN NORTH AND WEST AFRICA
260 _aNEW YORK: UNITED NATIONS,
_c1988
300 _a405P; MAPS
440 _aNATIONAL RESOURCES/WATER SERIES NO. 18
546 _aENG
650 1 0 _aGroundwater
942 _cMONO
990 _a1988
999 _a06418
_a551.495 UNI
_aVIRTUA50
_c3127
_d3127
003 JPS