00340nam a22001217a 450000500170000000800410001704000080005808200160006610000110008224500680009326000480016130000090020920240503104039.0240503b        |||||||| |||| 00| 0 eng d  cddc  a526.709689710aAndrew10aGravity survey of Malawi:bfieldwork and processing/cby Anrew   aZombabNatural Environment Research Council  a12p.