informal reference

TS-0041-oneM2M-SensorThings_interworking.md

@@ -72,7 +72,7 @@ The following referenced documents are not necessary for the application of the
 
 - Use the **EX** style, add the letter "i" (for informative) before the number (which shall be in square brackets) and separate this from the title with a tab (you may use sequence fields for automatically numbering references).
 
-- <a href="#_ref_i.1">[i.1]</a>    oneM2M Drafting Rules (http://www.onem2m.org/images/files/oneM2M-Drafting-Rules.pdf)
+- <a name="#_ref_i.1">[i.1]</a>    oneM2M Drafting Rules (http://www.onem2m.org/images/files/oneM2M-Drafting-Rules.pdf)
     
 
 
@@ -134,7 +134,7 @@ For the purposes of the present document, the [following] abbreviations [given i
 
 # 4 Conventions
 
-The key words "Shall", "Shall not", "May", "Need not", "Should", "Should not" in this document are to be interpreted as described in the oneM2M Drafting Rules <a href="#_ref_i.1">[i.1]</a>
+The key words "Shall", "Shall not", "May", "Need not", "Should", "Should not" in this document are to be interpreted as described in the oneM2M Drafting Rules [\[1\]](#_ref_i.1).
 
 
 # 5 Introduction to OGC SensorThings API
@@ -165,7 +165,7 @@ The Sensing Entities data model and the purpose of data within the data model di
 
 Figure 6.0-1 shows an architecture approach for an Interworking Proxy Entity (IPE) between oneM2M and the OGC SensorThings API. The IPE is located between a oneM2M CSE and an OGC/SensorThings API (STA)-Server. 
 
-The basic interworking enables applications that are connected to an oneM2M-based system to get data from sensors that are connected to an OGC/STA server. Furthermore, an application that is connected to an OGC/STA server will be able to get data from sensors that are connected to an oneM2M-based system. The communication flow of the IPE shall rely on HTTP and MQTT. The MQTT protocol enables publish-subscribe functionality for the OGC side, as specified in the MQTT extension of the SensorThings API <a name="_ref_1">[1]</a>. 
+The basic interworking enables applications that are connected to an oneM2M-based system to get data from sensors that are connected to an OGC/STA server. Furthermore, an application that is connected to an OGC/STA server will be able to get data from sensors that are connected to an oneM2M-based system. The communication flow of the IPE shall rely on HTTP and MQTT. The MQTT protocol enables publish-subscribe functionality for the OGC side, as specified in the MQTT extension of the SensorThings API [\[1\]](#_ref_1). 
 
 ![Figure 6.0-1: IPE architecture overview](media/STA_oneM2M_architekturbild_01.svg)