TY  - BOOK
AU  - David Knight
TI  - Alfred Russell Wallace Contributions to the theory of Natural Selection, 1870, and Charles Darwin and Alfred Wallace , 'On the Tendency of Species to form Varieties' (Papers presented to the Linnean Society 30th June 1858)
SN  - 9780203492604
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780203492604
ER  -