TY  - BOOK
AU  - Warren, W. G.
TI  - Trend in the sampling of forest populations
KW  - Ecología forestal
KW  - Muestreo estadístico
N1  - Sobretiro de: Comarck, R.M., ed. Sampling biological populations. Fairland, Mary-Land International Co-operative Pub. (s.a.) pp. 329-54
ER  -