00401nam a2200133 a 4500008004100000020001500041050001300056100002500069245003800094246006600132260004000198300002000238350000900258120416s1993    ||||||||||||||||| ||    u  a0821323822  aIBRD(02)  aWigg, David, (1939-)14aAnd they forgot to tell us why...  aa look at the campaign against river blindness in West Africa  aWashington, D. C.bWorld Bankc1993  aiv, 44p. : ill.  a0.00