00389nam a2200121Ia 4500 140113s9999 xx 000 0 und d 631.46:577.4 "Philipson, J., Ed." "Methods of study in quantitative soil ecology :population, production and energhy flow (IBP Handbook no.19)" 1971 Blackwell Sci. Pub. Oxford 297 BK 0 0 0 0 VTL VTL 2014-01-13 0 631.46:577.4 VBK2486 2014-01-13 00:00:00 2014-01-13 BK 59167 59167