TY  - BOOK
AU  - Orlov A Ya
TI  - Observations on absorbing roots of spruce (picea excelsa link) in natural conditions
U1  - 581.10428 
PY  - 1957///
CY  - Washington
PB  - National Science Foundation
KW  - Roots-physiology
N1  - Tr. from Russian
ER  -