Ahmad Zulkifli bin Kamaruzaman and Ho Choon Seng  <br/><br/>
Seismic refraction survey in the proposed information Technology (IT) City Project Area, Putra Jaya, Selangor 

 - GF 15/1996 
 - Ipoh, Perak:   Jabatan Penyiasatan Kajibumi Malaysia,    1996 
 - ill. 4 p., 29.8 cm