Where "ABAP CDS Developer Guide" is now??

HI. I have not seen "ABAP CDS Developer Guide".

( "ABAP CDS Development user Guide".)

This guide is written that page.

http://help.sap.com/saphelp_nw75/helpdata/en/a3/314a7fd9384ce8a40eff2d3b144628/content.htm?frameset=/en/a3/314a7fd9384ce8a40eff2d3b144628/frameset.htm&current_toc=/en/43/5550a1f8a75f6be10000000a1553f6/plain.htm&node_id=159&show_children=true#jump159

"ABPA CDS Developer Guide"??

What is this?

And I find "ABAP CDS Developer Guide" in "CDS Annotations for Metadata-Driven UIs" .

http://scn.sap.com/docs/DOC-69643

Where is this Guide Now?

(SAP Internal file??)

Please tell me anyone!

Regards,

Hiroshi