TY  - BOOK
AU  - Darlington,Arnold
TI  - Ecology of walls
SN  - 0435602225 :
AV  - QH541 .D3418 1981
U1  - 574.5264 
PY  - 1981///
CY  - London
PB  - Heinemann Educational Books
KW  - Ecology
KW  - Walls
N1  - Includes index; Bibliography: p. 132
ER  -