TY - GEN AU - Rodríguez,H AU - Rivas,J AU - Guerrero,M G AU - Losada,M TI - Ca requirement for aerobic nitrogen fixation by heterocystous blue-green algae SN - 0032-0889 PY - 2010///0629 N1 - Publication Type: Journal Article UR - https://doi.org/10.1104/pp.92.4.886 ER -