Austara, Q., Pettersen, H., Bakke, A. Bivoltinism in Ips typographus in Norway and winter mortality in second generation. As: 1977 p. 269-281 : ill.
Austara, Q., Pettersen, H., Bakke, A. Bivoltinism in Ips typographus in Norway and winter mortality in second generation. As: 1977 p. 269-281 : ill.
Austara, Q., Pettersen, H., Bakke, A. (1977) Bivoltinism in Ips typographus in Norway and winter mortality in second generation, As: p. 269-281 : ill.
Austara, Q., Pettersen, H., & Bakke, A. (1977). Bivoltinism in Ips typographus in Norway and winter mortality in second generation. As: p. 269-281 : ill.
Austara Q, Pettersen H, Bakke A. Bivoltinism in Ips typographus in Norway and winter mortality in second generation. As: 1977. p. p. 269-281 : ill.
