Ruhalla, Jim, Krans, Jeff, Goatley, Mike Sports Fields : A Manual for Design, Construction and Maintenance,
John Wiley & Sons, 1999, 46 p., 1-57504-070-0.
Ruhalla, Jim, Krans, Jeff, Goatley, Mike.
Sports Fields : A Manual for Design, Construction and Maintenance.
New Jersey: John Wiley & Sons, 1999, 46 p., 1-57504-070-0.
Ruhalla, Jim, Krans, Jeff, Goatley, Mike (1999)
Sports Fields : A Manual for Design, Construction and Maintenance,
New Jersey: John Wiley & Sons, 46 p., 1-57504-070-0