The Poles had experience of surviving such attacks, however, and they employed the same tactics as they had during the period of Russian domination and they organised an underground university in Warsaw. Kuratowski writes in:
Ang Poles had karanasan ng buhay na tulad ng atake, gayunpaman, at sila trabaho ang parehong taktika bilang sila had sa oras ng panahon ng Russian dominasyon at sila organised isang unibersidad sa ilalim ng lupa sa Warsaw. Kuratowski magsusulat sa: