By Waser Nickolas M   Price Mary V   in Perspectives in Plant Ecology, Evolution and Systematics

ISSN:1433-8319|1|2|137-150

Urban & Fischer‎(1998)‎

Access to resources Favorite 11.397715

By Price Mary V.   in Netherlands Journal of Zoology

ISSN:1568-542X|34|1|63-80

Brill‎(1983)‎

Access to resources Favorite 3.802673