1. Laboratory techniques for rearing Heliothis species on artificial medium;Berger;USD A. ARS.,1963
2. Transovarian transmission of Nosema heliothidis in the corn earworm. Heliothis zea;Brooks;J. Invert. Pathol.,1968
3. A simple method for the isolation and purification of total lipids from animal tissue;Folch;J. biol. Chem.,1957
4. Insect viruses;Ignoffo,1966
5. “On Nosema heliothidis” Lutz & Splendore a microsporidian parasite of Heliothis zea (Boddie) and Heliothesis virescens (Fabricius) (Lepidoptera: Phalenidae);Kramer;J. Insect Pathol.,1959