Brant Scheidecker , Gerrit Knapp , Zorica Nedovic-Budic
Journal of park and recreation administration 17 ( 4) 73 -101
Ethan Seltzer , Gerrit Knapp , Richard Bolen
Stamp Student Union , Dean Gregory Ball , Jeffrey Werling , Melissa S Kearney
Gerrit Knaap , Timothy F Welch , Sevgi Erdogan , Yuchen Cui
Transportation Research Board 93rd Annual MeetingTransportation Research Board
Frederick W Ducca , Gerrit Knaap , Timothy F Welch , Bing Wu
Transportation Research Board 93rd Annual MeetingTransportation Research Board
Carolyn C Voorhees , Gerrit Knaap , Gulsah Akar , Alice Fang Yan Md
Transportation Research Board 88th Annual MeetingTransportation Research Board
Gerrit Knaap , Arthur C. Nelson
Terry Moore , Jason Sartori , Gerrit Knaap
Gerrit Knaap , Wim Wiewel
Huibert A. Haccoû , Gerrit Knaap , Kelly J. Clifton , John W. Frece
Edward Elgar
Gerrit Knaap
David A. Newburn , Gerrit Knaap , Kelsey Zlevor , Rebecca Lewis
Gerrit Knaap , Jungyul Sohn
Journal of the Korean Geographical Society 43 ( 1) 52 -70
Gerrit Knaap , Elijah Knaap , Chao Liu
Gerrit Knaap , Reid Ewing , Yan Song , Kelly Clifton
Gerrit Knaap , Rebecca Lewis
Gerrit Knaap , Casey Dawkins , Jason Sartori
John Frece , Jungyul Sohn , Elisabeth Holler , Gerrit Knaap