1. Egg chorionic ultrastructure of the dragonfly Tramea virginia (Rambur) (Anisoptera: Libellulidae);Andrew;Odonatologica,2002
2. Surface ultrastructure of the egg chorion in the dragonfly, Ictinogomphus rapax (Rambur) (Odonata: Gomphidae);Andrew;Int. J. Insect Morphol. Embryol.,1992
3. Ultrastructural post-oviposition changes in the egg chorion of the dragon-fly, Zyxomma petiolatum Rambur (Odonata: Libellulidae);Andrew;Int. J. Insect Morphol. Embryol.,1995
4. Surface ultrastructure of the egg chorion of Bradinopyga geminate (Rambur) and Rhyothemis variegata (Linn.) (Anisoptera: Libellulidae);Andrew;Fraseria (N/S),1996
5. The development and structure of the ovaries in the dragonfly, Tramea virginia (Rambur) (Libellulidae: Odonata);Andrew;J. Adv. Zool.,1997