D. M. Lang

Soils of Malta and Gozo

D. M. Lang, 1960 .

Soil and land-use surveys No. 21. Dominica.

D. M. Lang, 1967 .

Patterns of asthma mortality in Philadelphia from 1969 to 1991.

M. Polansky, D. Lang, D. M. Lang, 1994, The New England journal of medicine.