@article {Heip1982,
	title = {The systematics and ecology of free-living marine nematodes},
	journal = {Helminthological Abstracts Series B, Plant Nematology},
	volume = {51},
	number = {1},
	year = {1982},
	pages = {1{\textendash}31},
	author = {HEIP, C and Vincx, M and Smol, N. and VRANKEN, G}
}
