Objects
McCulloch, Graham A, Mauda, Evans V, Chari, Lenin D, Martin, Grant D, Gurdasani, Komal, Morin, L, Walter, Grenville H, Raghu, S. Elsevier; 2020. Genetic diversity and morphological variation in African boxthorn (Lycium ferocissimum)–characterising the target weed for biological control.
Hulley, Patrick E, Craig, Adrian J F K, Walter, Grenville H. Group displays in pale-winged starlings. 2002.
Walter, Grenville H, Hulley, Patrick E, Craig, Adrian J F K. Speciation, adaptation and interspecific competition. 1984.
Craig, Adrian J F K, Hulley, Patrick E, Walter, Grenville H. The Behaviour Of Palewinged Starlings And A Comparison With Other Onychognathvs Species. 1991.
Craig, Adrian J F K, Hulley, Patrick E, Walter, Grenville H. Nesting of sympatric redwinged and pale winged starlings. 1989.