(NrUKOWODSTWO K LETNEJ U^EBNOJ PRAKTIKE PO ZOOLOGII BESPOZWONO^NYHs - (N{ALAPENOK e(B.(Ns(B., (NzAPOLXSKAQ t(B.(Ni(B.s ((NmINSKs (NwY[\J[AQ [KOLAs, 1988)