@article {chen2004estimation,
	title = {Estimation of fish abundance indices based on scientific research trawl surveys},
	journal = {Biometrics},
	volume = {60},
	number = {1},
	year = {2004},
	pages = {116{\textendash}123},
	publisher = {Wiley Online Library},
	author = {Chen, Jiahua and Thompson, Mary E and Wu, Changbao}
}
