1993 ACSM/ASPRS annual convention and exposition, ASPRS technical papers, New Orleans: ACSM 53rd annual convetion, ASPRS 59th annual convention 

 - Bethesda  1993 
 - xiii, 444p.  23cm. 
<br/><br/><label>LC Class. No.: </label>TA501.A644 Vol.3 1993