L. Van Dyk

Pesticides in air: sampling methods.

L. Van Dyk, K. Visweswariah, 1975, Residue reviews.

Management and determination of pesticide residues in South Africa.

L. Van Dyk, I. Wiese, J. Mullen, 1982, Residue reviews.

The microbial degradation of 2,4-dichlorophenoxyacetic acid in soil.

M. Loos, L. Van Dyk, E. Sandmann, 1988, Reviews of environmental contamination and toxicology.