海量图书期刊资源,随时随地畅享阅读乐趣
Expert systems survey on biodegradation of xenobiotic chemicalsRobert S. Boethling; Bentley Gregg; Robert Frederick; Norman W. Gabel; Sarah E. Campbell; Aleksandar Sabljic · 1989
Stage D1 adenocarcinoma of prostateRobert E. Donohue; Robert J. Biber; John H. Mani; H.Earl Fauver; John A. Whitesel; John N. Wettlaufer M.D.; Stephen Mohr; Ronald R. Pfister; David Scanavino; Gregg Williams; Richard R. Augspurger · 1984
My viewWestbrooks, Randy G.; Gregg, William P.; Eplee, Robert E. · Weed Science · 2001
William Steel Creighton: An AppreciationRobert E. Gregg · Journal of the New York Entomological Society · 1974
The Ants of Northeastern MinnesotaRobert E. Gregg · American Midland Naturalist · 1946
My ViewRandy G. Westbrooks, William P. Gregg and Robert E. Eplee · Weed Science · 2001
Origin of Castes in AntsReview by: Robert E. Gregg · Ecology · 1938
Toleration Experiments by Ecology ClassesThomas Park, Robert E. Gregg and Catherine Z. Lutherman · Ecology · 1940
The Old World MembracidæFrederic W. Goding · Journal of the New York Entomological Society · 1934
New Peruvian Membracidæ (Homoptera)W. D. Funkhouser · Journal of the New York Entomological Society · 1940
New Membracidæ, IVFrederic W. Goding · Journal of the New York Entomological Society · 1928
The Membracidæ of AfricaFrederic W. Goding · Journal of the New York Entomological Society · 1932
Synonymical Notes on MembracidæFrederic W. Goding · Journal of the New York Entomological Society · 1930
New Membracidæ, IXFrederic W. Goding · Journal of the New York Entomological Society · 1929
New Membracidae. IIIFrederic W. Goding · Journal of the New York Entomological Society · 1927
New Membracidae, IFrederic W. Goding · Journal of the New York Entomological Society · 1926