G.S.G. Shell

Description of leaf orientation and heliotropic response of sunflower using directional statistics

A.R.G. Lang, G.S.G. Shell, 1975 .

Quantitative measures of leaf orientation and heliotropic response in sunflower, bean, pepper and cucumber

A.R.G. Lang, G.S.G. Shell, A. Lang, 1974 .

PERFORMANCE AND COST ANALYSIS OF AN AUSTRALIAN SOLAR GREENHOUSE

G.S.G. Shell, K. V. Garzoli, 1984 .