M. H. Douglas

Industrial Design and Production Projects in Secondary Schools

M. H. Douglas, 1975 .

Essential oils from New Zealand manuka and kanuka: Chemotaxonomy of Leptospermum

M. H. Douglas, Nigel B. Perry, Warwick Harris, 1997 .

Evaluation of saffron (Crocus sativus L.) production in New Zealand

M. H. Douglas, A. R. Wallace, J. A. McGimpsey, 1997 .

Essential oils from dalmatian sage (Salvia officinalis l.): variations among individuals, plant parts, seasons, and sites.

M. H. Douglas, B. Smallfield, A. Heaney, 1999, Journal of agricultural and food chemistry.

Essential oils from New Zealand manuka: triketone and other chemotypes of Leptospermum scoparium.

M. H. Douglas, B. Smallfield, Rosemary E. Anderson, 2004, Phytochemistry.

Seasonal variation in essential oil yield and composition from naturalized thymus vulgaris L. in New Zealand

M. H. Douglas, D. Beauregard, N. B. Perry, 1994 .

Effect of growing media on the production of ginseng (Panax ginseng) in Central Otago, New Zealand

M. H. Douglas, B. Smallfield, A. Heaney, 2000 .

Essential oils from new zealand manuka and kanuka: Chemotaxonomy of Kunzea

M. H. Douglas, W. Harris, B. Smallfield, 1997 .