nrf24z1

I have a project using Nordic NRF2401 , NRF24Z1,
NRF2401 is QFN24, NRF24Z1 is qfn36,
How do I solder them?
Many thanks!

This application note might be helpful.
http://www.wj.com/pdf/appnotes/AH201...ion%20Note.pdf

Can someone repost it ? It is no more available

here another one is available:
http://www.intersil.com/data/tb/TB389.pdf