@inbook {Caswell-Chen1987_80,
	title = {Nematode population genetics},
	booktitle = {Vistas on Nematology: a commemoration of the twenty-fifth anniversary of the Society of Nematologists},
	year = {1987},
	publisher = {Society of Nematologists},
	organization = {Society of Nematologists},
	author = {Caswell-Chen, E. P. and Roberts, P. A.}
}
