Help with sources.

[onlynone]

I am looking for some primary source accounts of the pike phalanx in combat, preferably available online so I don't have to go to the library. I am familiar with the sources and passages for phalanx vs. legion in the second century BCE, but not the successor wars or Alexander's exploits. Thanks in advance!

[Dutchhoplite]

I'm sure there's something in Diodorus Suculus:

http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/home.html

[Lvcretivs]

Arrian - his 'Anabasis Alexandri' (original greek (http://el.wikisource.org/wiki/Αρριανός)/english translation (http://websfor.org/alexander/arrian/intro.asp)) - although he must be taken with a grain of salt...