Studies on the fertilizing effect of sewage sludge

Seiichi Kitamura, Susumu Hashimoto, Takanobu Shimazaki, Masakazu Fukuchi, Hideo Takada, Yoshishige Tachibana, Michio Matsuoka, Haruo Sato
1969 Japanese Journal of Water Treatment Biology  
doi:10.2521/jswtb.5.2_6 fatcat:l5lxkklqubduzffhoicyexiary