Book Title : Sprinkler Irrigation (3rd Edition)
Pair, C.H. (1969) Operation and Maintenance (Chapter XI). In: Pair, Claude H., (ed.) Sprinkler Irrigation (3rd Edition). pp. 311-324, 444 pp. Sprinkler Irrigation Assn., Washington, D. C.
Jensen, Marvin E. (1969) Plant and Irrigation Water Requirements (Rev) (Chapter V). In: Pair, Claude H., (ed.) Sprinkler Irrigation (3rd Edition). pp. 94-118. Sprinkler Irrigation Assn., Washington, D. C.
Pair, Claude H. and Hinz, Walter W. and Reid, Crawford and Frost, Kenneth R., eds. (1969) Sprinkler Irrigation (3rd Edition). 444 pp. Sprinkler Irrigation Assn., Washington, DC.