Tuchinsky, Philip M. Man in competition with the spruce budworm: an application of differential equations/ Philip M. Tuchinsky. - Boston: Birkhäuser, c1981. - viii, 77 p.: ill.; 24 cm. - UMAP expository monograph series . Bibliography: p. 62-65. ISBN: LCCN: 81012212 Subjects--Topical Terms: Spruce budworm---Mathematical models.Differential equations. Dewey Class. No.: 515.35 / T888m