1 "a selective review of theory and tests" char (char): 137-154, 1977
2 "The role of time and energy in food preference" 611-617, 1966
3 "The importance of handling time for flight directionality in bees" 303-309, 1984
4 "Optimization in behavioural ecology" 1983
5 "Optimal foraging in nectar feeding animals and co-evolution with their plants" 1980
6 "On the optimal use of a patchy environment" 603-609, 1966
7 "On Flower Selection by Bees American Naturalist 114" 179-196, 1979
8 "Intervarietal differences in pollinator attractiveness and fruit set in almond cultivars Pollination Biology in Tropics" indian chapter bangalore : 120-122, 1993
9 "Information used in foraging The Biology of Social Insects" Boulder Westview Press 24-27, 1982
10 "Foraging in bumble bees rule of departure from an inflorescence" 417-428, 1982
1 "a selective review of theory and tests" char (char): 137-154, 1977
2 "The role of time and energy in food preference" 611-617, 1966
3 "The importance of handling time for flight directionality in bees" 303-309, 1984
4 "Optimization in behavioural ecology" 1983
5 "Optimal foraging in nectar feeding animals and co-evolution with their plants" 1980
6 "On the optimal use of a patchy environment" 603-609, 1966
7 "On Flower Selection by Bees American Naturalist 114" 179-196, 1979
8 "Intervarietal differences in pollinator attractiveness and fruit set in almond cultivars Pollination Biology in Tropics" indian chapter bangalore : 120-122, 1993
9 "Information used in foraging The Biology of Social Insects" Boulder Westview Press 24-27, 1982
10 "Foraging in bumble bees rule of departure from an inflorescence" 417-428, 1982
11 "Competition foraging energetics and cost of sociality in three species bees" 976-60 987,
12 "Bioenergetics in bee flowers interrelationships- an analysis of foraging behaviour" 39-7 66, 1992
13 "Behavioural Ecology- An evolutionary Approach" 1978
14 "Ann Rev Ecol" 2 : 369-404, theoryoffeedingstrategies