TY - JOUR AU - Sivinski, John PY - 1978 DA - 1900/01/01 TI - Intrasexual Aggression in the Stick Insects Diapheromera Veliei and D. Covilleae and Sexual Dimorphism in the Phasmatodea SP - 035784 VL - 85 AB - SN - 0033-2615 UR - https://doi.org/10.1155/1978/35784 DO - 10.1155/1978/35784 JF - Psyche PB - Hindawi Publishing Corporation KW - ER -