Alexander, V., S. C Whalen, and K. M Klingensmith. “High Latitude Limnologynitrogen Cycling In Arctic Lakes And Ponds”. In High Latitude Limnology, 165 - 172. High Latitude Limnology. Dordrecht: Springer Netherlands, 1989. doi:10.1007/978-94-009-2603-510.1007/978-94-009-2603-5_12.

C.Miller, Michael, and James R Stout. “High Latitude Limnologyvariability Of Macroinvertebrate Community Composition In An Arctic And Subarctic Stream”. In High Latitude Limnology, 111 - 127. High Latitude Limnology. Dordrecht: Springer Netherlands, 1989. doi:10.1007/978-94-009-2603-510.1007/978-94-009-2603-5_9.