A study of factors affecting the growth of lawn grasses 
By: [by] Walter S. Lapp.
Published: 1943
Place of publication: Philadelphia
Language: eng
Number of pages: 148
Subjects: Grasses.; Lawns.; Growth (Plants); Seeds.
Notes: "Literature cited" : p. 147-148.
Thesis (PH. D.)--University of Pennsylvania, 1942.
"Reprinted from Proceedings of the Pennsylvania academy of scinece ... vol. XVII, 1943."