TY  - BOOK
AU  - McLean,R.C.
AU  - Ivimey-Cook,W.R.
TI  - Practical field ecology : : a guide for the botany departments of universities, colleges and schools / 
U1  - 581.5 19
PY  - 1946///
CY  - London : 
PB  - Allen & Unwin, 
KW  - Ecologia vegetal
ER  -