His thirty-second pieces of monkey music also used sounds about as long as the monkeys' calls.

VOA: special.2009.09.29

It calls for America and Russia to each deploy a limit of one thousand five hundred fifty long-distance nuclear weapons -- a cut of about thirty percent.

VOA: special.2010.04.17

Waskow says the major challenges created for many poor countries by climate change, calls for long-term investment.

VOA: standard.2009.12.11