9Hazelton N.W.J.Broadening Surveying into Geomatics:Are We Promoting Obesity,Fatting the calf for Slaughter,or Living off the Fat of the Land?[J].Surveying and Land Information System.1997,57(3):147-154.
10ACSM.College and University Programs in Surveying in United States[J].Surveying and Land Information System,1997,57(4):162-167.