TY - JA AU - Janzen,D.H. TI - On the broadening of insect-plant research SN - 0012-9658 U1 - 89-058394 PY - 1988/// KW - Arthropods KW - Ecology KW - Evolution KW - Noxious animals KW - Pests of plants KW - Research T2 - Ecology : a Publication of the Ecological Society of America ER -