TY  - BOOK
ED  - McMichael,Bobbie L. 
ED  - Persoul,Hans
TI  - Plant roots and their environment : proceedings
T2  - Developments in agricultural and managed-forest ecology ; no.24
SN  - 0444891048
U1  - 581.5 
PY  - 1991///
CY  - Amsterdam
PB  - Elsevier
ER  -