HYDROGEN-BONDING IN THE CRYSTAL-STRUCTURES OF THE ADDUCTS BETWEEN 1-PHENYL-3,5-DIMETHYLPYRAZOLE WITH OXALIC AND PERCHLORIC ACIDS - Zukermanschpector, J.; Castellano, E. E.; Oliva, G.; Massabni, A. C.; Pinto, Abedala Derbli [UNESP] (Natl Research Council Canada, 1984)