@book{27969,
	author = {Varaporn Pichetvivatana and Exell, Robert H.B.,  and Asian Institute of Technology, },
	title = {Determination of an optimum program for laying new underground telephone cables},
	publisher = {Asian Institute of Technology,},
	year = {1973},
	series = {Thesis ;},
	address = {Bangkok :},
	note = {A thesis submitted in partial fulfillment of the  requirements for the degree of Master of Engineering  of the Asian Institute of Technology, Bangkok, Thailand.},
	url = {http://203.159.5.9/ait-thesis/detail.php?q=B24299}
}