@book{9490,
	author = {Zimmerman, Carle Clark,},
	title = {Siam rural economic survey, 1930-31.},
	publisher = {Printed at the Bangkok Times Press, ltd.,},
	year = {1931]},
	address = {[Bangkok,},
	note = {"The actual study represents the work of many persons. Six officials of the Siamese government gave constant help with technical problems." cf. Pref.}
}