00386nam a2200109Ia 4500008004100000082001900041100002100060245010700081260005500188300001000243650002300253140113s9999    xx            000 0 und d  a595.7:632.7 J6  a" Torii, Torizo"  aThe Stochastic approach in field population ecology with special reference to field insect populations  b"Japan society for the promotion of science, 1956"  a277p.  aPopulation ecology