Vatasan, George S. <br/><br/>
Study leave report 
by George Vatasan 
 - [Lae]  Dept. of Forestry, Papua New Guinea University of Technology  1981 
 - [63] leaves in various foliations  ill., map  30 cm 
 - Study leave report .
<br/><br/>Partial contents: Logging and its consequences in Papua New Guinea -- Slope evaluation on aerial photographs / G. S. Vatasan, R. N. Vatasan and Y. Bun 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerial photography in forestry--Papua New Guinea<br/>Environmental monitoring<br/>Logging--Papua New Guinea<br/>Forest surveys