Ohmer,Merlin <br/><br/>
Elementary geometry for teachers 
Ohmer,Merlin 
 - London  Addison  1969 
 - 152p 
<br/><br/>Geometry Languages and Logic (Page-2), Sets, Points Lines Space (Page-26), Elementary Theorems and Proofs (Page-62), Congruence and Measurement (Page-82), Congruence of Triangles and Geometric Construction (Page-116), Parallels and Parallelograms (Page-130). 
<br/><br/><label>LCCN: </label>6116747 
<br/><br/><label>Dewey Class. No.: </label>516, OHM