APA

Olofsson E., . (1988). Epizootiology of the nuclear polyhedrosis virus of the European pine sawfly, Neodiprion sertifer [Fourcroy][Hymenoptera, Diprionidae]. Dissertation. Uppsala: Swedish University of Agricultural Sciences.

Chicago

Olofsson Einar, . 1988. Epizootiology of the nuclear polyhedrosis virus of the European pine sawfly, Neodiprion sertifer [Fourcroy][Hymenoptera, Diprionidae]. Dissertation. Uppsala: Swedish University of Agricultural Sciences.

Harvard

Olofsson E., . (1988). Epizootiology of the nuclear polyhedrosis virus of the European pine sawfly, Neodiprion sertifer [Fourcroy][Hymenoptera, Diprionidae]. Dissertation. Uppsala: Swedish University of Agricultural Sciences.

MLA

Olofsson Einar, . Epizootiology of the nuclear polyhedrosis virus of the European pine sawfly, Neodiprion sertifer [Fourcroy][Hymenoptera, Diprionidae]. Dissertation. Uppsala: Swedish University of Agricultural Sciences. 1988.