TY - JOUR T1 - Studies on the dispersal of three congeneric species of flea monoxenous to the house martin (Delichon urbica L.)). JF - Entomologist 112(2): 85-94. Y1 - 1993 A1 - Clark, F., McNeil, D. A. C. A1 - Hill, L. A. SP - 87 ER -