00493     2200157   4500001002100000008004100021035002000062245008900082100003000171260004600201300002600247084002200273082001400295650001200309990001400321INLIS000000000049869                                   eng    a0010-0617008761  aManual on Larval control operations in malaria programmescWorld Health Organization  aWorld Health Organization  aGeneva:bWorld Health Organization,c1973  a199p. : ilus.c28 cm.  a614.432 3 Wor m 1  a614.432 3  aMALARIA  a034475212