TY  - BOOK
AU  - Phillipson, J.                                              
TI  - Methods of stuy in quantitative soil ecology : population, production and energy flo                                    
U1  - 574.5264 PIH                   
PY  - 1971///
CY  - Oxford                                                      
PB  - Blackwell Scientific Publidcation                           
ER  -