342 
Fishery Bulletin 115(3) 
Richards, L. J., J. T. Schnute, A. R. Kronlund, and R. J. 
Beamish. 
1992. Statistical models for the analysis of aging er- 
ror. Can. J. Fish. Aquat. Sci. 49:1801-1815. 
Ricker, W. E. 
1975. Computation and interpretation of biological sta- 
tistics of fish populations. Bull. Fish. Res. Board Can. 
191, 382 p. 
Schweigert, J. F., and J. R. Sibert. 
1983. Optimizing survey design for determining age struc- 
ture of fish stocks: an example from British Columbia 
Pacific herring ( Clupea harengus pallasi). Can. J. Fish. 
Aquat. Sci. 40:588-597. 
von Bertalanffy, L. 
1938. A quantitative theory of organic growth (inquiries on 
growth laws. II). Human Biol. 10:181-213. 
von Szalay, P. G., C. N. Rooper, N. W. Raring, and M. H. Martin. 
2011. Data report: 2010 Aleutian Islands bottom trawl sur- 
vey. NOAA Tech. Memo. NMFS-AFSC-215, 153 p. 
