References
- 1978 . Federal Register. , 43 : 29696
- Kjeldahl , J. Z. 1883 . Anal. Chem. , 22 : 366
- Lowry , O.H. , Rosebrough , N.J. , Farr , A.L. and Randall , R.J. 1951 . J. Biol. Chem. , 193 : 265
- Caplan , J.A. , Fahey , J.W. and Mulligan , L.T. 1980 . Appl. Environm. Microbiol. , submitted
- Isbister , J.D. , Shippen , R.S. and Caplan , J.A. 1980 . Bull. Environm. Contam. Toxicol. , 24 : 570