TY  - BOOK
AU  - Wilde, S.A  .
AU  - Corey ,R.B  .
AU  - Iyer,J.G  .
AU  - Voigt,G.K  .
TI  - Soil and plant analysis for tree culture / 
SN  - 81-204-0069-0
U1  - 631.4 
PY  - 1985///
CY  -  : 
PB  - Oxford & IBH Publishing company , 
ER  -