Rockwood N. Efficient likelihood estimation of generalized structural equation models with a mix of normal and nonnormal responses. Psychometrika. 2021 Jun;86(2):642-67. doi: 10.1007/s11336-021-09770
Rockwood NJ. Maximum likelihood estimation of multilevel structural equation models with random slopes for latent covariates. Psychometrika. 2020 Jun;85(2):275-300. doi: 10.1007/s11336-020-09702-9
Maskey MK, Baral KP, Shah R, Shrestha BD, Lang J, Rothman KJ. Field test results of the motherhood method to measure maternal mortality. Ind Med Gaz. 2011 Jan 1;133(1):64-9.
Yung YF, Thissen D, McLeod LD. On the relationship between the higher-order factor model and the hierarchical factor model. Psychometrika. 1999 Jun;64:113-28.