This info was copied from:
http://ayudaelectronica.com/oscilador-32khz-bajo-consumo/
Its in Spanish but here is the English version. This looks like i might be able to add it to my boost circuit! Going to give it a test today…
Useful when you need a reference signal of low frequency, consumption is about 1 uA.
Also found a similar circuit from: (PAGE 9 TOP)
atomsoft.wordpress.com 
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