00946nam0-22002891i-450-99000183873040332120021010000183873FED01000183873(Aleph)000183873FED0100018387320021010d--------km-y0itay50------baitaSome important facts in the life history of the gid parasite and their bearing on the prevention of the sideaseMaurice C.Hall.WashingtonDepartment of Agriculture1910.7 p.24 cmParassiti animali636.089 6Hall,Maurice C.80773ITUNINARICAUNIMARCBK99000183873040332160 MISC. B 21/22FAGBCFAGBCSome important facts in the life history of the gid parasite and their bearing on the prevention of the sidease414473UNINAING01