B-P-H; Botanico-periodicum-Huntianum: supplementum BPH Supplementum
- Pittsburgh Hunt Institute for Botanical Documentation, Carnegie Mellon University 1991
- 1068 p. 29 cm.
\"Both a supplement to and a partial revision of B-P-H ... coverage is extended to the end of 1990, with the addition of a few new titles from 1991\"-- p. 1